65231780

素因数分解:

$2^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{3359}}^1$

素因数の和:4339

約数の個数: 24

約数和(自身を含む): 137168640

約数和(自身を除く): 71936860

約数列:

[1, 2, 4, 5, 10, 20, 971, 1942, 3359, 3884, 4855, 6718, 9710, 13436, 16795, 19420, 33590, 67180, 3261589, 6523178, 13046356, 16307945, 32615890, 65231780]

約数ペア:

[(1, 65231780), (2, 32615890), (4, 16307945), (5, 13046356), (10, 6523178), (20, 3261589), (971, 67180), (1942, 33590), (3359, 19420), (3884, 16795), (4855, 13436), (6718, 9710)]