42140525

素因数分解:

$5^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2131}}^1$

素因数の和:2261

約数の個数: 24

約数和(自身を含む): 60275904

約数和(自身を除く): 18135379

約数列:

[1, 5, 7, 25, 35, 113, 175, 565, 791, 2131, 2825, 3955, 10655, 14917, 19775, 53275, 74585, 240803, 372925, 1204015, 1685621, 6020075, 8428105, 42140525]

約数ペア:

[(1, 42140525), (5, 8428105), (7, 6020075), (25, 1685621), (35, 1204015), (113, 372925), (175, 240803), (565, 74585), (791, 53275), (2131, 19775), (2825, 14917), (3955, 10655)]