520012180

素因数分解:

$2^2\times 5^1\times {\mathrm{5303}}^1\times {\mathrm{4903}}^1$

素因数の和:10215

約数の個数: 24

約数和(自身を含む): 1092454272

約数和(自身を除く): 572442092

約数列:

[1, 2, 4, 5, 10, 20, 4903, 5303, 9806, 10606, 19612, 21212, 24515, 26515, 49030, 53030, 98060, 106060, 26000609, 52001218, 104002436, 130003045, 260006090, 520012180]

約数ペア:

[(1, 520012180), (2, 260006090), (4, 130003045), (5, 104002436), (10, 52001218), (20, 26000609), (4903, 106060), (5303, 98060), (9806, 53030), (10606, 49030), (19612, 26515), (21212, 24515)]