81195200

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1637}}^1$

素因数の和:1690

約数の個数: 84

約数和(自身を含む): 206361792

約数和(自身を除く): 125166592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 155, 160, 200, 248, 310, 320, 400, 496, 620, 775, 800, 992, 1240, 1550, 1600, 1637, 1984, 2480, 3100, 3274, 4960, 6200, 6548, 8185, 9920, 12400, 13096, 16370, 24800, 26192, 32740, 40925, 49600, 50747, 52384, 65480, 81850, 101494, 104768, 130960, 163700, 202988, 253735, 261920, 327400, 405976, 507470, 523840, 654800, 811952, 1014940, 1268675, 1309600, 1623904, 2029880, 2537350, 2619200, 3247808, 4059760, 5074700, 8119520, 10149400, 16239040, 20298800, 40597600, 81195200]

約数ペア:

[(1, 81195200), (2, 40597600), (4, 20298800), (5, 16239040), (8, 10149400), (10, 8119520), (16, 5074700), (20, 4059760), (25, 3247808), (31, 2619200), (32, 2537350), (40, 2029880), (50, 1623904), (62, 1309600), (64, 1268675), (80, 1014940), (100, 811952), (124, 654800), (155, 523840), (160, 507470), (200, 405976), (248, 327400), (310, 261920), (320, 253735), (400, 202988), (496, 163700), (620, 130960), (775, 104768), (800, 101494), (992, 81850), (1240, 65480), (1550, 52384), (1600, 50747), (1637, 49600), (1984, 40925), (2480, 32740), (3100, 26192), (3274, 24800), (4960, 16370), (6200, 13096), (6548, 12400), (8185, 9920)]