90420860

素因数分解:

$2^2\times 5^1\times {\mathrm{1531}}^1\times {\mathrm{2953}}^1$

素因数の和:4493

約数の個数: 24

約数和(自身を含む): 190072176

約数和(自身を除く): 99651316

約数列:

[1, 2, 4, 5, 10, 20, 1531, 2953, 3062, 5906, 6124, 7655, 11812, 14765, 15310, 29530, 30620, 59060, 4521043, 9042086, 18084172, 22605215, 45210430, 90420860]

約数ペア:

[(1, 90420860), (2, 45210430), (4, 22605215), (5, 18084172), (10, 9042086), (20, 4521043), (1531, 59060), (2953, 30620), (3062, 29530), (5906, 15310), (6124, 14765), (7655, 11812)]