74639240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{143537}}^1$

素因数の和:143561

約数の個数: 32

約数和(自身を含む): 180857880

約数和(自身を除く): 106218640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 143537, 287074, 574148, 717685, 1148296, 1435370, 1865981, 2870740, 3731962, 5741480, 7463924, 9329905, 14927848, 18659810, 37319620, 74639240]

約数ペア:

[(1, 74639240), (2, 37319620), (4, 18659810), (5, 14927848), (8, 9329905), (10, 7463924), (13, 5741480), (20, 3731962), (26, 2870740), (40, 1865981), (52, 1435370), (65, 1148296), (104, 717685), (130, 574148), (260, 287074), (520, 143537)]