2556194420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9831517}}^1$

素因数の和:9831539

約数の個数: 24

約数和(自身を含む): 5780932584

約数和(自身を除く): 3224738164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 9831517, 19663034, 39326068, 49157585, 98315170, 127809721, 196630340, 255619442, 511238884, 639048605, 1278097210, 2556194420]

約数ペア:

[(1, 2556194420), (2, 1278097210), (4, 639048605), (5, 511238884), (10, 255619442), (13, 196630340), (20, 127809721), (26, 98315170), (52, 49157585), (65, 39326068), (130, 19663034), (260, 9831517)]