28428640

素因数分解:

$2^5\times 5^1\times {\mathrm{177679}}^1$

素因数の和:177694

約数の個数: 24

約数和(自身を含む): 67163040

約数和(自身を除く): 38734400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 177679, 355358, 710716, 888395, 1421432, 1776790, 2842864, 3553580, 5685728, 7107160, 14214320, 28428640]

約数ペア:

[(1, 28428640), (2, 14214320), (4, 7107160), (5, 5685728), (8, 3553580), (10, 2842864), (16, 1776790), (20, 1421432), (32, 888395), (40, 710716), (80, 355358), (160, 177679)]