520028660

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{426253}}^1$

素因数の和:426323

約数の個数: 24

約数和(自身を含む): 1109965416

約数和(自身を除く): 589936756

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 426253, 852506, 1705012, 2131265, 4262530, 8525060, 26001433, 52002866, 104005732, 130007165, 260014330, 520028660]

約数ペア:

[(1, 520028660), (2, 260014330), (4, 130007165), (5, 104005732), (10, 52002866), (20, 26001433), (61, 8525060), (122, 4262530), (244, 2131265), (305, 1705012), (610, 852506), (1220, 426253)]