2012121950

素因数分解:

$2^1\times 5^2\times {\mathrm{389}}^1\times {\mathrm{103451}}^1$

素因数の和:103852

約数の個数: 24

約数和(自身を含む): 3752204040

約数和(自身を除く): 1740082090

約数列:

[1, 2, 5, 10, 25, 50, 389, 778, 1945, 3890, 9725, 19450, 103451, 206902, 517255, 1034510, 2586275, 5172550, 40242439, 80484878, 201212195, 402424390, 1006060975, 2012121950]

約数ペア:

[(1, 2012121950), (2, 1006060975), (5, 402424390), (10, 201212195), (25, 80484878), (50, 40242439), (389, 5172550), (778, 2586275), (1945, 1034510), (3890, 517255), (9725, 206902), (19450, 103451)]