64171240640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15425779}}^1$

素因数の和:15425809

約数の個数: 56

約数和(自身を含む): 164562221040

約数和(自身を除く): 100390980400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 15425779, 30851558, 61703116, 77128895, 123406232, 154257790, 200535127, 246812464, 308515580, 401070254, 493624928, 617031160, 802140508, 987249856, 1002675635, 1234062320, 1604281016, 2005351270, 2468124640, 3208562032, 4010702540, 4936249280, 6417124064, 8021405080, 12834248128, 16042810160, 32085620320, 64171240640]

約数ペア:

[(1, 64171240640), (2, 32085620320), (4, 16042810160), (5, 12834248128), (8, 8021405080), (10, 6417124064), (13, 4936249280), (16, 4010702540), (20, 3208562032), (26, 2468124640), (32, 2005351270), (40, 1604281016), (52, 1234062320), (64, 1002675635), (65, 987249856), (80, 802140508), (104, 617031160), (130, 493624928), (160, 401070254), (208, 308515580), (260, 246812464), (320, 200535127), (416, 154257790), (520, 123406232), (832, 77128895), (1040, 61703116), (2080, 30851558), (4160, 15425779)]