25013020

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1933}}^1$

素因数の和:2589

約数の個数: 24

約数和(自身を含む): 52635744

約数和(自身を除く): 27622724

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 1933, 2588, 3235, 3866, 6470, 7732, 9665, 12940, 19330, 38660, 1250651, 2501302, 5002604, 6253255, 12506510, 25013020]

約数ペア:

[(1, 25013020), (2, 12506510), (4, 6253255), (5, 5002604), (10, 2501302), (20, 1250651), (647, 38660), (1294, 19330), (1933, 12940), (2588, 9665), (3235, 7732), (3866, 6470)]