25912540

素因数分解:

$2^2\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{1279}}^1$

素因数の和:2301

約数の個数: 24

約数和(自身を含む): 54512640

約数和(自身を除く): 28600100

約数列:

[1, 2, 4, 5, 10, 20, 1013, 1279, 2026, 2558, 4052, 5065, 5116, 6395, 10130, 12790, 20260, 25580, 1295627, 2591254, 5182508, 6478135, 12956270, 25912540]

約数ペア:

[(1, 25912540), (2, 12956270), (4, 6478135), (5, 5182508), (10, 2591254), (20, 1295627), (1013, 25580), (1279, 20260), (2026, 12790), (2558, 10130), (4052, 6395), (5065, 5116)]