2018687240

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{161237}}^1$

素因数の和:161561

約数の個数: 32

約数和(自身を含む): 4556585880

約数和(自身を除く): 2537898640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 12520, 161237, 322474, 644948, 806185, 1289896, 1612370, 3224740, 6449480, 50467181, 100934362, 201868724, 252335905, 403737448, 504671810, 1009343620, 2018687240]

約数ペア:

[(1, 2018687240), (2, 1009343620), (4, 504671810), (5, 403737448), (8, 252335905), (10, 201868724), (20, 100934362), (40, 50467181), (313, 6449480), (626, 3224740), (1252, 1612370), (1565, 1289896), (2504, 806185), (3130, 644948), (6260, 322474), (12520, 161237)]