28854020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{110977}}^1$

素因数の和:110999

約数の個数: 24

約数和(自身を含む): 65255064

約数和(自身を除く): 36401044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 110977, 221954, 443908, 554885, 1109770, 1442701, 2219540, 2885402, 5770804, 7213505, 14427010, 28854020]

約数ペア:

[(1, 28854020), (2, 14427010), (4, 7213505), (5, 5770804), (10, 2885402), (13, 2219540), (20, 1442701), (26, 1109770), (52, 554885), (65, 443908), (130, 221954), (260, 110977)]