68577580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{110609}}^1$

素因数の和:110649

約数の個数: 24

約数和(自身を含む): 148659840

約数和(自身を除く): 80082260

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 110609, 221218, 442436, 553045, 1106090, 2212180, 3428879, 6857758, 13715516, 17144395, 34288790, 68577580]

約数ペア:

[(1, 68577580), (2, 34288790), (4, 17144395), (5, 13715516), (10, 6857758), (20, 3428879), (31, 2212180), (62, 1106090), (124, 553045), (155, 442436), (310, 221218), (620, 110609)]