9090415640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2738077}}^1$

素因数の和:2738171

約数の個数: 32

約数和(自身を含む): 20699869680

約数和(自身を除く): 11609454040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 2738077, 5476154, 10952308, 13690385, 21904616, 27380770, 54761540, 109523080, 227260391, 454520782, 909041564, 1136301955, 1818083128, 2272603910, 4545207820, 9090415640]

約数ペア:

[(1, 9090415640), (2, 4545207820), (4, 2272603910), (5, 1818083128), (8, 1136301955), (10, 909041564), (20, 454520782), (40, 227260391), (83, 109523080), (166, 54761540), (332, 27380770), (415, 21904616), (664, 13690385), (830, 10952308), (1660, 5476154), (3320, 2738077)]