28557820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{46061}}^1$

素因数の和:46101

約数の個数: 24

約数和(自身を含む): 61907328

約数和(自身を除く): 33349508

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 46061, 92122, 184244, 230305, 460610, 921220, 1427891, 2855782, 5711564, 7139455, 14278910, 28557820]

約数ペア:

[(1, 28557820), (2, 14278910), (4, 7139455), (5, 5711564), (10, 2855782), (20, 1427891), (31, 921220), (62, 460610), (124, 230305), (155, 184244), (310, 92122), (620, 46061)]