520040420

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{98867}}^1$

素因数の和:99139

約数の個数: 24

約数和(自身を含む): 1096248384

約数和(自身を除く): 576207964

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 98867, 197734, 395468, 494335, 988670, 1977340, 26002021, 52004042, 104008084, 130010105, 260020210, 520040420]

約数ペア:

[(1, 520040420), (2, 260020210), (4, 130010105), (5, 104008084), (10, 52004042), (20, 26002021), (263, 1977340), (526, 988670), (1052, 494335), (1315, 395468), (2630, 197734), (5260, 98867)]