156628040

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{7487}}^1$

素因数の和:8021

約数の個数: 32

約数和(自身を含む): 353134080

約数和(自身を除く): 196506040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 4184, 5230, 7487, 10460, 14974, 20920, 29948, 37435, 59896, 74870, 149740, 299480, 3915701, 7831402, 15662804, 19578505, 31325608, 39157010, 78314020, 156628040]

約数ペア:

[(1, 156628040), (2, 78314020), (4, 39157010), (5, 31325608), (8, 19578505), (10, 15662804), (20, 7831402), (40, 3915701), (523, 299480), (1046, 149740), (2092, 74870), (2615, 59896), (4184, 37435), (5230, 29948), (7487, 20920), (10460, 14974)]