68726060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{264331}}^1$

素因数の和:264353

約数の個数: 24

約数和(自身を含む): 155427216

約数和(自身を除く): 86701156

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 264331, 528662, 1057324, 1321655, 2643310, 3436303, 5286620, 6872606, 13745212, 17181515, 34363030, 68726060]

約数ペア:

[(1, 68726060), (2, 34363030), (4, 17181515), (5, 13745212), (10, 6872606), (13, 5286620), (20, 3436303), (26, 2643310), (52, 1321655), (65, 1057324), (130, 528662), (260, 264331)]