39958375

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:268

約数の個数: 32

約数和(自身を含む): 52640640

約数和(自身を除く): 12682265

約数列:

[1, 5, 25, 29, 73, 125, 145, 151, 365, 725, 755, 1825, 2117, 3625, 3775, 4379, 9125, 10585, 11023, 18875, 21895, 52925, 55115, 109475, 264625, 275575, 319667, 547375, 1377875, 1598335, 7991675, 39958375]

約数ペア:

[(1, 39958375), (5, 7991675), (25, 1598335), (29, 1377875), (73, 547375), (125, 319667), (145, 275575), (151, 264625), (365, 109475), (725, 55115), (755, 52925), (1825, 21895), (2117, 18875), (3625, 11023), (3775, 10585), (4379, 9125)]