870825380

素因数分解:

$2^2\times 5^1\times {\mathrm{3323}}^1\times {\mathrm{13103}}^1$

素因数の和:16435

約数の個数: 24

約数和(自身を含む): 1829423232

約数和(自身を除く): 958597852

約数列:

[1, 2, 4, 5, 10, 20, 3323, 6646, 13103, 13292, 16615, 26206, 33230, 52412, 65515, 66460, 131030, 262060, 43541269, 87082538, 174165076, 217706345, 435412690, 870825380]

約数ペア:

[(1, 870825380), (2, 435412690), (4, 217706345), (5, 174165076), (10, 87082538), (20, 43541269), (3323, 262060), (6646, 131030), (13103, 66460), (13292, 65515), (16615, 52412), (26206, 33230)]