28885660

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{17401}}^1$

素因数の和:17493

約数の個数: 24

約数和(自身を含む): 61394256

約数和(自身を除く): 32508596

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 17401, 34802, 69604, 87005, 174010, 348020, 1444283, 2888566, 5777132, 7221415, 14442830, 28885660]

約数ペア:

[(1, 28885660), (2, 14442830), (4, 7221415), (5, 5777132), (10, 2888566), (20, 1444283), (83, 348020), (166, 174010), (332, 87005), (415, 69604), (830, 34802), (1660, 17401)]