87513725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4019}}^1$

素因数の和:4109

約数の個数: 24

約数和(自身を含む): 118638240

約数和(自身を除く): 31124515

約数列:

[1, 5, 13, 25, 65, 67, 325, 335, 871, 1675, 4019, 4355, 20095, 21775, 52247, 100475, 261235, 269273, 1306175, 1346365, 3500549, 6731825, 17502745, 87513725]

約数ペア:

[(1, 87513725), (5, 17502745), (13, 6731825), (25, 3500549), (65, 1346365), (67, 1306175), (325, 269273), (335, 261235), (871, 100475), (1675, 52247), (4019, 21775), (4355, 20095)]