28465060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109481}}^1$

素因数の和:109503

約数の個数: 24

約数和(自身を含む): 64375416

約数和(自身を除く): 35910356

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 109481, 218962, 437924, 547405, 1094810, 1423253, 2189620, 2846506, 5693012, 7116265, 14232530, 28465060]

約数ペア:

[(1, 28465060), (2, 14232530), (4, 7116265), (5, 5693012), (10, 2846506), (13, 2189620), (20, 1423253), (26, 1094810), (52, 547405), (65, 437924), (130, 218962), (260, 109481)]