8060000

素因数分解:

$2^5\times 5^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:74

約数の個数: 120

約数和(自身を含む): 22042944

約数和(自身を除く): 13982944

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 65, 80, 100, 104, 124, 125, 130, 155, 160, 200, 208, 248, 250, 260, 310, 325, 400, 403, 416, 496, 500, 520, 620, 625, 650, 775, 800, 806, 992, 1000, 1040, 1240, 1250, 1300, 1550, 1612, 1625, 2000, 2015, 2080, 2480, 2500, 2600, 3100, 3224, 3250, 3875, 4000, 4030, 4960, 5000, 5200, 6200, 6448, 6500, 7750, 8060, 8125, 10000, 10075, 10400, 12400, 12896, 13000, 15500, 16120, 16250, 19375, 20000, 20150, 24800, 26000, 31000, 32240, 32500, 38750, 40300, 50375, 52000, 62000, 64480, 65000, 77500, 80600, 100750, 124000, 130000, 155000, 161200, 201500, 251875, 260000, 310000, 322400, 403000, 503750, 620000, 806000, 1007500, 1612000, 2015000, 4030000, 8060000]

約数ペア:

[(1, 8060000), (2, 4030000), (4, 2015000), (5, 1612000), (8, 1007500), (10, 806000), (13, 620000), (16, 503750), (20, 403000), (25, 322400), (26, 310000), (31, 260000), (32, 251875), (40, 201500), (50, 161200), (52, 155000), (62, 130000), (65, 124000), (80, 100750), (100, 80600), (104, 77500), (124, 65000), (125, 64480), (130, 62000), (155, 52000), (160, 50375), (200, 40300), (208, 38750), (248, 32500), (250, 32240), (260, 31000), (310, 26000), (325, 24800), (400, 20150), (403, 20000), (416, 19375), (496, 16250), (500, 16120), (520, 15500), (620, 13000), (625, 12896), (650, 12400), (775, 10400), (800, 10075), (806, 10000), (992, 8125), (1000, 8060), (1040, 7750), (1240, 6500), (1250, 6448), (1300, 6200), (1550, 5200), (1612, 5000), (1625, 4960), (2000, 4030), (2015, 4000), (2080, 3875), (2480, 3250), (2500, 3224), (2600, 3100)]