28759090

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{15889}}^1$

素因数の和:16077

約数の個数: 16

約数和(自身を含む): 52055640

約数和(自身を除く): 23296550

約数列:

[1, 2, 5, 10, 181, 362, 905, 1810, 15889, 31778, 79445, 158890, 2875909, 5751818, 14379545, 28759090]

約数ペア:

[(1, 28759090), (2, 14379545), (5, 5751818), (10, 2875909), (181, 158890), (362, 79445), (905, 31778), (1810, 15889)]