71132920

素因数分解:

$2^3\times 5^1\times {\mathrm{1778323}}^1$

素因数の和:1778334

約数の個数: 16

約数和(自身を含む): 160049160

約数和(自身を除く): 88916240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1778323, 3556646, 7113292, 8891615, 14226584, 17783230, 35566460, 71132920]

約数ペア:

[(1, 71132920), (2, 35566460), (4, 17783230), (5, 14226584), (8, 8891615), (10, 7113292), (20, 3556646), (40, 1778323)]