55085420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211867}}^1$

素因数の和:211889

約数の個数: 24

約数和(自身を含む): 124578384

約数和(自身を除く): 69492964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 211867, 423734, 847468, 1059335, 2118670, 2754271, 4237340, 5508542, 11017084, 13771355, 27542710, 55085420]

約数ペア:

[(1, 55085420), (2, 27542710), (4, 13771355), (5, 11017084), (10, 5508542), (13, 4237340), (20, 2754271), (26, 2118670), (52, 1059335), (65, 847468), (130, 423734), (260, 211867)]