68715366980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{264289873}}^1$

素因数の和:264289895

約数の個数: 24

約数和(自身を含む): 155402445912

約数和(自身を除く): 86687078932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 264289873, 528579746, 1057159492, 1321449365, 2642898730, 3435768349, 5285797460, 6871536698, 13743073396, 17178841745, 34357683490, 68715366980]

約数ペア:

[(1, 68715366980), (2, 34357683490), (4, 17178841745), (5, 13743073396), (10, 6871536698), (13, 5285797460), (20, 3435768349), (26, 2642898730), (52, 1321449365), (65, 1057159492), (130, 528579746), (260, 264289873)]