31536920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{877}}^1$

素因数の和:948

約数の個数: 64

約数和(自身を含む): 75859200

約数和(自身を除く): 44322280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 580, 620, 877, 899, 1160, 1240, 1754, 1798, 3508, 3596, 4385, 4495, 7016, 7192, 8770, 8990, 17540, 17980, 25433, 27187, 35080, 35960, 50866, 54374, 101732, 108748, 127165, 135935, 203464, 217496, 254330, 271870, 508660, 543740, 788423, 1017320, 1087480, 1576846, 3153692, 3942115, 6307384, 7884230, 15768460, 31536920]

約数ペア:

[(1, 31536920), (2, 15768460), (4, 7884230), (5, 6307384), (8, 3942115), (10, 3153692), (20, 1576846), (29, 1087480), (31, 1017320), (40, 788423), (58, 543740), (62, 508660), (116, 271870), (124, 254330), (145, 217496), (155, 203464), (232, 135935), (248, 127165), (290, 108748), (310, 101732), (580, 54374), (620, 50866), (877, 35960), (899, 35080), (1160, 27187), (1240, 25433), (1754, 17980), (1798, 17540), (3508, 8990), (3596, 8770), (4385, 7192), (4495, 7016)]