131020432

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{81077}}^1$

素因数の和:81186

約数の個数: 20

約数和(自身を含む): 256368636

約数和(自身を除く): 125348204

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 81077, 162154, 324308, 648616, 1297232, 8188777, 16377554, 32755108, 65510216, 131020432]

約数ペア:

[(1, 131020432), (2, 65510216), (4, 32755108), (8, 16377554), (16, 8188777), (101, 1297232), (202, 648616), (404, 324308), (808, 162154), (1616, 81077)]