65601820

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{12763}}^1$

素因数の和:13029

約数の個数: 24

約数和(自身を含む): 138310704

約数和(自身を除く): 72708884

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 12763, 25526, 51052, 63815, 127630, 255260, 3280091, 6560182, 13120364, 16400455, 32800910, 65601820]

約数ペア:

[(1, 65601820), (2, 32800910), (4, 16400455), (5, 13120364), (10, 6560182), (20, 3280091), (257, 255260), (514, 127630), (1028, 63815), (1285, 51052), (2570, 25526), (5140, 12763)]