10139725

素因数分解:

$5^2\times {\mathrm{61}}^2\times {\mathrm{109}}^1$

素因数の和:241

約数の個数: 18

約数和(自身を含む): 12900030

約数和(自身を除く): 2760305

約数列:

[1, 5, 25, 61, 109, 305, 545, 1525, 2725, 3721, 6649, 18605, 33245, 93025, 166225, 405589, 2027945, 10139725]

約数ペア:

[(1, 10139725), (5, 2027945), (25, 405589), (61, 166225), (109, 93025), (305, 33245), (545, 18605), (1525, 6649), (2725, 3721)]