28688020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{46271}}^1$

素因数の和:46311

約数の個数: 24

約数和(自身を含む): 62189568

約数和(自身を除く): 33501548

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 46271, 92542, 185084, 231355, 462710, 925420, 1434401, 2868802, 5737604, 7172005, 14344010, 28688020]

約数ペア:

[(1, 28688020), (2, 14344010), (4, 7172005), (5, 5737604), (10, 2868802), (20, 1434401), (31, 925420), (62, 462710), (124, 231355), (155, 185084), (310, 92542), (620, 46271)]