520011340

素因数分解:

$2^2\times 5^1\times {\mathrm{3109}}^1\times {\mathrm{8363}}^1$

素因数の和:11481

約数の個数: 24

約数和(自身を含む): 1092505680

約数和(自身を除く): 572494340

約数列:

[1, 2, 4, 5, 10, 20, 3109, 6218, 8363, 12436, 15545, 16726, 31090, 33452, 41815, 62180, 83630, 167260, 26000567, 52001134, 104002268, 130002835, 260005670, 520011340]

約数ペア:

[(1, 520011340), (2, 260005670), (4, 130002835), (5, 104002268), (10, 52001134), (20, 26000567), (3109, 167260), (6218, 83630), (8363, 62180), (12436, 41815), (15545, 33452), (16726, 31090)]