40401790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1487}}^1$

素因数の和:1537

約数の個数: 64

約数和(自身を含む): 89994240

約数和(自身を除く): 49592450

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 26, 38, 55, 65, 95, 110, 130, 143, 190, 209, 247, 286, 418, 494, 715, 1045, 1235, 1430, 1487, 2090, 2470, 2717, 2974, 5434, 7435, 13585, 14870, 16357, 19331, 27170, 28253, 32714, 38662, 56506, 81785, 96655, 141265, 163570, 193310, 212641, 282530, 310783, 367289, 425282, 621566, 734578, 1063205, 1553915, 1836445, 2126410, 3107830, 3672890, 4040179, 8080358, 20200895, 40401790]

約数ペア:

[(1, 40401790), (2, 20200895), (5, 8080358), (10, 4040179), (11, 3672890), (13, 3107830), (19, 2126410), (22, 1836445), (26, 1553915), (38, 1063205), (55, 734578), (65, 621566), (95, 425282), (110, 367289), (130, 310783), (143, 282530), (190, 212641), (209, 193310), (247, 163570), (286, 141265), (418, 96655), (494, 81785), (715, 56506), (1045, 38662), (1235, 32714), (1430, 28253), (1487, 27170), (2090, 19331), (2470, 16357), (2717, 14870), (2974, 13585), (5434, 7435)]