127568780

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{40627}}^1$

素因数の和:40793

約数の個数: 24

約数和(自身を含む): 269607408

約数和(自身を除く): 142038628

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 40627, 81254, 162508, 203135, 406270, 812540, 6378439, 12756878, 25513756, 31892195, 63784390, 127568780]

約数ペア:

[(1, 127568780), (2, 63784390), (4, 31892195), (5, 25513756), (10, 12756878), (20, 6378439), (157, 812540), (314, 406270), (628, 203135), (785, 162508), (1570, 81254), (3140, 40627)]