30820816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2087}}^1$

素因数の和:2179

約数の個数: 40

約数和(自身を含む): 65245824

約数和(自身を除く): 34425008

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 2087, 3692, 4174, 7384, 8348, 14768, 16696, 27131, 33392, 54262, 108524, 148177, 217048, 296354, 434096, 592708, 1185416, 1926301, 2370832, 3852602, 7705204, 15410408, 30820816]

約数ペア:

[(1, 30820816), (2, 15410408), (4, 7705204), (8, 3852602), (13, 2370832), (16, 1926301), (26, 1185416), (52, 592708), (71, 434096), (104, 296354), (142, 217048), (208, 148177), (284, 108524), (568, 54262), (923, 33392), (1136, 27131), (1846, 16696), (2087, 14768), (3692, 8348), (4174, 7384)]