40019975

素因数分解:

$5^2\times {\mathrm{829}}^1\times {\mathrm{1931}}^1$

素因数の和:2770

約数の個数: 12

約数和(自身を含む): 49710360

約数和(自身を除く): 9690385

約数列:

[1, 5, 25, 829, 1931, 4145, 9655, 20725, 48275, 1600799, 8003995, 40019975]

約数ペア:

[(1, 40019975), (5, 8003995), (25, 1600799), (829, 48275), (1931, 20725), (4145, 9655)]