64154480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61687}}^1$

素因数の和:61713

約数の個数: 40

約数和(自身を含む): 160635552

約数和(自身を除く): 96481072

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 61687, 123374, 246748, 308435, 493496, 616870, 801931, 986992, 1233740, 1603862, 2467480, 3207724, 4009655, 4934960, 6415448, 8019310, 12830896, 16038620, 32077240, 64154480]

約数ペア:

[(1, 64154480), (2, 32077240), (4, 16038620), (5, 12830896), (8, 8019310), (10, 6415448), (13, 4934960), (16, 4009655), (20, 3207724), (26, 2467480), (40, 1603862), (52, 1233740), (65, 986992), (80, 801931), (104, 616870), (130, 493496), (208, 308435), (260, 246748), (520, 123374), (1040, 61687)]