65117240

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{10781}}^1$

素因数の和:10943

約数の個数: 32

約数和(自身を含む): 147497760

約数和(自身を除く): 82380520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 10781, 21562, 43124, 53905, 86248, 107810, 215620, 431240, 1627931, 3255862, 6511724, 8139655, 13023448, 16279310, 32558620, 65117240]

約数ペア:

[(1, 65117240), (2, 32558620), (4, 16279310), (5, 13023448), (8, 8139655), (10, 6511724), (20, 3255862), (40, 1627931), (151, 431240), (302, 215620), (604, 107810), (755, 86248), (1208, 53905), (1510, 43124), (3020, 21562), (6040, 10781)]