157031480

素因数分解:

$2^3\times 5^1\times {\mathrm{863}}^1\times {\mathrm{4549}}^1$

素因数の和:5423

約数の個数: 32

約数和(自身を含む): 353808000

約数和(自身を除く): 196776520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 863, 1726, 3452, 4315, 4549, 6904, 8630, 9098, 17260, 18196, 22745, 34520, 36392, 45490, 90980, 181960, 3925787, 7851574, 15703148, 19628935, 31406296, 39257870, 78515740, 157031480]

約数ペア:

[(1, 157031480), (2, 78515740), (4, 39257870), (5, 31406296), (8, 19628935), (10, 15703148), (20, 7851574), (40, 3925787), (863, 181960), (1726, 90980), (3452, 45490), (4315, 36392), (4549, 34520), (6904, 22745), (8630, 18196), (9098, 17260)]