2531740

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1229}}^1$

素因数の和:1341

約数の個数: 24

約数和(自身を含む): 5372640

約数和(自身を除く): 2840900

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 1229, 2060, 2458, 4916, 6145, 12290, 24580, 126587, 253174, 506348, 632935, 1265870, 2531740]

約数ペア:

[(1, 2531740), (2, 1265870), (4, 632935), (5, 506348), (10, 253174), (20, 126587), (103, 24580), (206, 12290), (412, 6145), (515, 4916), (1030, 2458), (1229, 2060)]