68568020

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{26171}}^1$

素因数の和:26311

約数の個数: 24

約数和(自身を含む): 145097568

約数和(自身を除く): 76529548

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 26171, 52342, 104684, 130855, 261710, 523420, 3428401, 6856802, 13713604, 17142005, 34284010, 68568020]

約数ペア:

[(1, 68568020), (2, 34284010), (4, 17142005), (5, 13713604), (10, 6856802), (20, 3428401), (131, 523420), (262, 261710), (524, 130855), (655, 104684), (1310, 52342), (2620, 26171)]