155551240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{299137}}^1$

素因数の和:299161

約数の個数: 32

約数和(自身を含む): 376913880

約数和(自身を除く): 221362640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 299137, 598274, 1196548, 1495685, 2393096, 2991370, 3888781, 5982740, 7777562, 11965480, 15555124, 19443905, 31110248, 38887810, 77775620, 155551240]

約数ペア:

[(1, 155551240), (2, 77775620), (4, 38887810), (5, 31110248), (8, 19443905), (10, 15555124), (13, 11965480), (20, 7777562), (26, 5982740), (40, 3888781), (52, 2991370), (65, 2393096), (104, 1495685), (130, 1196548), (260, 598274), (520, 299137)]