64020475

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{62459}}^1$

素因数の和:62510

約数の個数: 12

約数和(自身を含む): 81322920

約数和(自身を除く): 17302445

約数列:

[1, 5, 25, 41, 205, 1025, 62459, 312295, 1561475, 2560819, 12804095, 64020475]

約数ペア:

[(1, 64020475), (5, 12804095), (25, 2560819), (41, 1561475), (205, 312295), (1025, 62459)]