71071760

素因数分解:

$2^4\times 5^1\times {\mathrm{888397}}^1$

素因数の和:888410

約数の個数: 20

約数和(自身を含む): 165242028

約数和(自身を除く): 94170268

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 888397, 1776794, 3553588, 4441985, 7107176, 8883970, 14214352, 17767940, 35535880, 71071760]

約数ペア:

[(1, 71071760), (2, 35535880), (4, 17767940), (5, 14214352), (8, 8883970), (10, 7107176), (16, 4441985), (20, 3553588), (40, 1776794), (80, 888397)]