15487240

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1237}}^1$

素因数の和:1561

約数の個数: 32

約数和(自身を含む): 34985880

約数和(自身を除く): 19498640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1237, 1252, 1565, 2474, 2504, 3130, 4948, 6185, 6260, 9896, 12370, 12520, 24740, 49480, 387181, 774362, 1548724, 1935905, 3097448, 3871810, 7743620, 15487240]

約数ペア:

[(1, 15487240), (2, 7743620), (4, 3871810), (5, 3097448), (8, 1935905), (10, 1548724), (20, 774362), (40, 387181), (313, 49480), (626, 24740), (1237, 12520), (1252, 12370), (1565, 9896), (2474, 6260), (2504, 6185), (3130, 4948)]