12998950

素因数分解:

$2^1\times 5^2\times {\mathrm{499}}^1\times {\mathrm{521}}^1$

素因数の和:1032

約数の個数: 24

約数和(自身を含む): 24273000

約数和(自身を除く): 11274050

約数列:

[1, 2, 5, 10, 25, 50, 499, 521, 998, 1042, 2495, 2605, 4990, 5210, 12475, 13025, 24950, 26050, 259979, 519958, 1299895, 2599790, 6499475, 12998950]

約数ペア:

[(1, 12998950), (2, 6499475), (5, 2599790), (10, 1299895), (25, 519958), (50, 259979), (499, 26050), (521, 24950), (998, 13025), (1042, 12475), (2495, 5210), (2605, 4990)]