81182060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{213637}}^1$

素因数の和:213665

約数の個数: 24

約数和(自身を含む): 179455920

約数和(自身を除く): 98273860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 213637, 427274, 854548, 1068185, 2136370, 4059103, 4272740, 8118206, 16236412, 20295515, 40591030, 81182060]

約数ペア:

[(1, 81182060), (2, 40591030), (4, 20295515), (5, 16236412), (10, 8118206), (19, 4272740), (20, 4059103), (38, 2136370), (76, 1068185), (95, 854548), (190, 427274), (380, 213637)]