40218625

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:250

約数の個数: 32

約数和(自身を含む): 52835328

約数和(自身を除く): 12616703

約数列:

[1, 5, 25, 31, 97, 107, 125, 155, 485, 535, 775, 2425, 2675, 3007, 3317, 3875, 10379, 12125, 13375, 15035, 16585, 51895, 75175, 82925, 259475, 321749, 375875, 414625, 1297375, 1608745, 8043725, 40218625]

約数ペア:

[(1, 40218625), (5, 8043725), (25, 1608745), (31, 1297375), (97, 414625), (107, 375875), (125, 321749), (155, 259475), (485, 82925), (535, 75175), (775, 51895), (2425, 16585), (2675, 15035), (3007, 13375), (3317, 12125), (3875, 10379)]