68640104

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{660001}}^1$

素因数の和:660020

約数の個数: 16

約数和(自身を含む): 138600420

約数和(自身を除く): 69960316

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 660001, 1320002, 2640004, 5280008, 8580013, 17160026, 34320052, 68640104]

約数ペア:

[(1, 68640104), (2, 34320052), (4, 17160026), (8, 8580013), (13, 5280008), (26, 2640004), (52, 1320002), (104, 660001)]