89862820

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{9151}}^1$

素因数の和:9651

約数の個数: 24

約数和(自身を含む): 189116928

約数和(自身を除く): 99254108

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9151, 9820, 18302, 36604, 45755, 91510, 183020, 4493141, 8986282, 17972564, 22465705, 44931410, 89862820]

約数ペア:

[(1, 89862820), (2, 44931410), (4, 22465705), (5, 17972564), (10, 8986282), (20, 4493141), (491, 183020), (982, 91510), (1964, 45755), (2455, 36604), (4910, 18302), (9151, 9820)]