90115240

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{19937}}^1$

素因数の和:20061

約数の個数: 32

約数和(自身を含む): 204563880

約数和(自身を除く): 114448640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 19937, 39874, 79748, 99685, 159496, 199370, 398740, 797480, 2252881, 4505762, 9011524, 11264405, 18023048, 22528810, 45057620, 90115240]

約数ペア:

[(1, 90115240), (2, 45057620), (4, 22528810), (5, 18023048), (8, 11264405), (10, 9011524), (20, 4505762), (40, 2252881), (113, 797480), (226, 398740), (452, 199370), (565, 159496), (904, 99685), (1130, 79748), (2260, 39874), (4520, 19937)]