28038620

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{2287}}^1$

素因数の和:2909

約数の個数: 24

約数和(自身を含む): 59002944

約数和(自身を除く): 30964324

約数列:

[1, 2, 4, 5, 10, 20, 613, 1226, 2287, 2452, 3065, 4574, 6130, 9148, 11435, 12260, 22870, 45740, 1401931, 2803862, 5607724, 7009655, 14019310, 28038620]

約数ペア:

[(1, 28038620), (2, 14019310), (4, 7009655), (5, 5607724), (10, 2803862), (20, 1401931), (613, 45740), (1226, 22870), (2287, 12260), (2452, 11435), (3065, 9148), (4574, 6130)]