28311020

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{12527}}^1$

素因数の和:12649

約数の個数: 24

約数和(自身を含む): 59984064

約数和(自身を除く): 31673044

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 12527, 25054, 50108, 62635, 125270, 250540, 1415551, 2831102, 5662204, 7077755, 14155510, 28311020]

約数ペア:

[(1, 28311020), (2, 14155510), (4, 7077755), (5, 5662204), (10, 2831102), (20, 1415551), (113, 250540), (226, 125270), (452, 62635), (565, 50108), (1130, 25054), (2260, 12527)]