28720340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{130547}}^1$

素因数の和:130567

約数の個数: 24

約数和(自身を含む): 65796192

約数和(自身を除く): 37075852

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 130547, 261094, 522188, 652735, 1305470, 1436017, 2610940, 2872034, 5744068, 7180085, 14360170, 28720340]

約数ペア:

[(1, 28720340), (2, 14360170), (4, 7180085), (5, 5744068), (10, 2872034), (11, 2610940), (20, 1436017), (22, 1305470), (44, 652735), (55, 522188), (110, 261094), (220, 130547)]