326640460

素因数分解:

$2^2\times 5^1\times {\mathrm{2939}}^1\times {\mathrm{5557}}^1$

素因数の和:8505

約数の個数: 24

約数和(自身を含む): 686301840

約数和(自身を除く): 359661380

約数列:

[1, 2, 4, 5, 10, 20, 2939, 5557, 5878, 11114, 11756, 14695, 22228, 27785, 29390, 55570, 58780, 111140, 16332023, 32664046, 65328092, 81660115, 163320230, 326640460]

約数ペア:

[(1, 326640460), (2, 163320230), (4, 81660115), (5, 65328092), (10, 32664046), (20, 16332023), (2939, 111140), (5557, 58780), (5878, 55570), (11114, 29390), (11756, 27785), (14695, 22228)]