201339640

素因数分解:

$2^3\times 5^1\times {\mathrm{2141}}^1\times {\mathrm{2351}}^1$

素因数の和:4503

約数の個数: 32

約数和(自身を含む): 453418560

約数和(自身を除く): 252078920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2141, 2351, 4282, 4702, 8564, 9404, 10705, 11755, 17128, 18808, 21410, 23510, 42820, 47020, 85640, 94040, 5033491, 10066982, 20133964, 25167455, 40267928, 50334910, 100669820, 201339640]

約数ペア:

[(1, 201339640), (2, 100669820), (4, 50334910), (5, 40267928), (8, 25167455), (10, 20133964), (20, 10066982), (40, 5033491), (2141, 94040), (2351, 85640), (4282, 47020), (4702, 42820), (8564, 23510), (9404, 21410), (10705, 18808), (11755, 17128)]