28053340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{200381}}^1$

素因数の和:200397

約数の個数: 24

約数和(自身を含む): 67328352

約数和(自身を除く): 39275012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 200381, 400762, 801524, 1001905, 1402667, 2003810, 2805334, 4007620, 5610668, 7013335, 14026670, 28053340]

約数ペア:

[(1, 28053340), (2, 14026670), (4, 7013335), (5, 5610668), (7, 4007620), (10, 2805334), (14, 2003810), (20, 1402667), (28, 1001905), (35, 801524), (70, 400762), (140, 200381)]