51658750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2$

素因数の和:80

約数の個数: 120

約数和(自身を含む): 120842568

約数和(自身を除く): 69183818

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 25, 26, 34, 50, 55, 65, 85, 110, 125, 130, 143, 170, 187, 221, 250, 275, 286, 289, 325, 374, 425, 442, 550, 578, 625, 650, 715, 850, 935, 1105, 1250, 1375, 1430, 1445, 1625, 1870, 2125, 2210, 2431, 2750, 2890, 3179, 3250, 3575, 3757, 4250, 4675, 4862, 5525, 6358, 6875, 7150, 7225, 7514, 8125, 9350, 10625, 11050, 12155, 13750, 14450, 15895, 16250, 17875, 18785, 21250, 23375, 24310, 27625, 31790, 35750, 36125, 37570, 41327, 46750, 55250, 60775, 72250, 79475, 82654, 89375, 93925, 116875, 121550, 138125, 158950, 178750, 180625, 187850, 206635, 233750, 276250, 303875, 361250, 397375, 413270, 469625, 607750, 794750, 939250, 1033175, 1519375, 1986875, 2066350, 2348125, 3038750, 3973750, 4696250, 5165875, 10331750, 25829375, 51658750]

約数ペア:

[(1, 51658750), (2, 25829375), (5, 10331750), (10, 5165875), (11, 4696250), (13, 3973750), (17, 3038750), (22, 2348125), (25, 2066350), (26, 1986875), (34, 1519375), (50, 1033175), (55, 939250), (65, 794750), (85, 607750), (110, 469625), (125, 413270), (130, 397375), (143, 361250), (170, 303875), (187, 276250), (221, 233750), (250, 206635), (275, 187850), (286, 180625), (289, 178750), (325, 158950), (374, 138125), (425, 121550), (442, 116875), (550, 93925), (578, 89375), (625, 82654), (650, 79475), (715, 72250), (850, 60775), (935, 55250), (1105, 46750), (1250, 41327), (1375, 37570), (1430, 36125), (1445, 35750), (1625, 31790), (1870, 27625), (2125, 24310), (2210, 23375), (2431, 21250), (2750, 18785), (2890, 17875), (3179, 16250), (3250, 15895), (3575, 14450), (3757, 13750), (4250, 12155), (4675, 11050), (4862, 10625), (5525, 9350), (6358, 8125), (6875, 7514), (7150, 7225)]