8119520000

素因数分解:

$2^8\times 5^4\times {\mathrm{31}}^1\times {\mathrm{1637}}^1$

素因数の和:1704

約数の個数: 180

約数和(自身を含む): 20918753856

約数和(自身を除く): 12799233856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 128, 155, 160, 200, 248, 250, 256, 310, 320, 400, 496, 500, 620, 625, 640, 775, 800, 992, 1000, 1240, 1250, 1280, 1550, 1600, 1637, 1984, 2000, 2480, 2500, 3100, 3200, 3274, 3875, 3968, 4000, 4960, 5000, 6200, 6400, 6548, 7750, 7936, 8000, 8185, 9920, 10000, 12400, 13096, 15500, 16000, 16370, 19375, 19840, 20000, 24800, 26192, 31000, 32000, 32740, 38750, 39680, 40000, 40925, 49600, 50747, 52384, 62000, 65480, 77500, 80000, 81850, 99200, 101494, 104768, 124000, 130960, 155000, 160000, 163700, 198400, 202988, 204625, 209536, 248000, 253735, 261920, 310000, 327400, 405976, 409250, 419072, 496000, 507470, 523840, 620000, 654800, 811952, 818500, 992000, 1014940, 1023125, 1047680, 1240000, 1268675, 1309600, 1623904, 1637000, 2029880, 2046250, 2095360, 2480000, 2537350, 2619200, 3247808, 3274000, 4059760, 4092500, 4960000, 5074700, 5238400, 6343375, 6495616, 6548000, 8119520, 8185000, 10149400, 10476800, 12686750, 12991232, 13096000, 16239040, 16370000, 20298800, 25373500, 26192000, 31716875, 32478080, 32740000, 40597600, 50747000, 52384000, 63433750, 64956160, 65480000, 81195200, 101494000, 126867500, 130960000, 162390400, 202988000, 253735000, 261920000, 324780800, 405976000, 507470000, 811952000, 1014940000, 1623904000, 2029880000, 4059760000, 8119520000]

約数ペア:

[(1, 8119520000), (2, 4059760000), (4, 2029880000), (5, 1623904000), (8, 1014940000), (10, 811952000), (16, 507470000), (20, 405976000), (25, 324780800), (31, 261920000), (32, 253735000), (40, 202988000), (50, 162390400), (62, 130960000), (64, 126867500), (80, 101494000), (100, 81195200), (124, 65480000), (125, 64956160), (128, 63433750), (155, 52384000), (160, 50747000), (200, 40597600), (248, 32740000), (250, 32478080), (256, 31716875), (310, 26192000), (320, 25373500), (400, 20298800), (496, 16370000), (500, 16239040), (620, 13096000), (625, 12991232), (640, 12686750), (775, 10476800), (800, 10149400), (992, 8185000), (1000, 8119520), (1240, 6548000), (1250, 6495616), (1280, 6343375), (1550, 5238400), (1600, 5074700), (1637, 4960000), (1984, 4092500), (2000, 4059760), (2480, 3274000), (2500, 3247808), (3100, 2619200), (3200, 2537350), (3274, 2480000), (3875, 2095360), (3968, 2046250), (4000, 2029880), (4960, 1637000), (5000, 1623904), (6200, 1309600), (6400, 1268675), (6548, 1240000), (7750, 1047680), (7936, 1023125), (8000, 1014940), (8185, 992000), (9920, 818500), (10000, 811952), (12400, 654800), (13096, 620000), (15500, 523840), (16000, 507470), (16370, 496000), (19375, 419072), (19840, 409250), (20000, 405976), (24800, 327400), (26192, 310000), (31000, 261920), (32000, 253735), (32740, 248000), (38750, 209536), (39680, 204625), (40000, 202988), (40925, 198400), (49600, 163700), (50747, 160000), (52384, 155000), (62000, 130960), (65480, 124000), (77500, 104768), (80000, 101494), (81850, 99200)]