28360580

素因数分解:

$2^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{1723}}^1$

素因数の和:2555

約数の個数: 24

約数和(自身を含む): 59664192

約数和(自身を除く): 31303612

約数列:

[1, 2, 4, 5, 10, 20, 823, 1646, 1723, 3292, 3446, 4115, 6892, 8230, 8615, 16460, 17230, 34460, 1418029, 2836058, 5672116, 7090145, 14180290, 28360580]

約数ペア:

[(1, 28360580), (2, 14180290), (4, 7090145), (5, 5672116), (10, 2836058), (20, 1418029), (823, 34460), (1646, 17230), (1723, 16460), (3292, 8615), (3446, 8230), (4115, 6892)]