54746680

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 128537280

約数和(自身を除く): 73790600

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 71, 74, 142, 148, 185, 284, 296, 355, 370, 521, 568, 710, 740, 1042, 1420, 1480, 2084, 2605, 2627, 2840, 4168, 5210, 5254, 10420, 10508, 13135, 19277, 20840, 21016, 26270, 36991, 38554, 52540, 73982, 77108, 96385, 105080, 147964, 154216, 184955, 192770, 295928, 369910, 385540, 739820, 771080, 1368667, 1479640, 2737334, 5474668, 6843335, 10949336, 13686670, 27373340, 54746680]

約数ペア:

[(1, 54746680), (2, 27373340), (4, 13686670), (5, 10949336), (8, 6843335), (10, 5474668), (20, 2737334), (37, 1479640), (40, 1368667), (71, 771080), (74, 739820), (142, 385540), (148, 369910), (185, 295928), (284, 192770), (296, 184955), (355, 154216), (370, 147964), (521, 105080), (568, 96385), (710, 77108), (740, 73982), (1042, 52540), (1420, 38554), (1480, 36991), (2084, 26270), (2605, 21016), (2627, 20840), (2840, 19277), (4168, 13135), (5210, 10508), (5254, 10420)]