20079352550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1861}}^1\times {\mathrm{6961}}^1$

素因数の和:8865

約数の個数: 48

約数和(自身を含む): 38578614144

約数和(自身を除く): 18499261594

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 1861, 3722, 6961, 9305, 13922, 18610, 34805, 46525, 57691, 69610, 93050, 115382, 174025, 215791, 288455, 348050, 431582, 576910, 1078955, 1442275, 2157910, 2884550, 5394775, 10789550, 12954421, 25908842, 64772105, 129544210, 323860525, 401587051, 647721050, 803174102, 2007935255, 4015870510, 10039676275, 20079352550]

約数ペア:

[(1, 20079352550), (2, 10039676275), (5, 4015870510), (10, 2007935255), (25, 803174102), (31, 647721050), (50, 401587051), (62, 323860525), (155, 129544210), (310, 64772105), (775, 25908842), (1550, 12954421), (1861, 10789550), (3722, 5394775), (6961, 2884550), (9305, 2157910), (13922, 1442275), (18610, 1078955), (34805, 576910), (46525, 431582), (57691, 348050), (69610, 288455), (93050, 215791), (115382, 174025)]