127688020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{375553}}^1$

素因数の和:375579

約数の個数: 24

約数和(自身を含む): 283918824

約数和(自身を除く): 156230804

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 375553, 751106, 1502212, 1877765, 3755530, 6384401, 7511060, 12768802, 25537604, 31922005, 63844010, 127688020]

約数ペア:

[(1, 127688020), (2, 63844010), (4, 31922005), (5, 25537604), (10, 12768802), (17, 7511060), (20, 6384401), (34, 3755530), (68, 1877765), (85, 1502212), (170, 751106), (340, 375553)]