71069360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28657}}^1$

素因数の和:28701

約数の個数: 40

約数和(自身を含む): 170572416

約数和(自身を除く): 99503056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 28657, 57314, 114628, 143285, 229256, 286570, 458512, 573140, 888367, 1146280, 1776734, 2292560, 3553468, 4441835, 7106936, 8883670, 14213872, 17767340, 35534680, 71069360]

約数ペア:

[(1, 71069360), (2, 35534680), (4, 17767340), (5, 14213872), (8, 8883670), (10, 7106936), (16, 4441835), (20, 3553468), (31, 2292560), (40, 1776734), (62, 1146280), (80, 888367), (124, 573140), (155, 458512), (248, 286570), (310, 229256), (496, 143285), (620, 114628), (1240, 57314), (2480, 28657)]