51303640

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{2113}}^1$

素因数の和:2731

約数の個数: 32

約数和(自身を含む): 115678080

約数和(自身を除く): 64374440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 1214, 2113, 2428, 3035, 4226, 4856, 6070, 8452, 10565, 12140, 16904, 21130, 24280, 42260, 84520, 1282591, 2565182, 5130364, 6412955, 10260728, 12825910, 25651820, 51303640]

約数ペア:

[(1, 51303640), (2, 25651820), (4, 12825910), (5, 10260728), (8, 6412955), (10, 5130364), (20, 2565182), (40, 1282591), (607, 84520), (1214, 42260), (2113, 24280), (2428, 21130), (3035, 16904), (4226, 12140), (4856, 10565), (6070, 8452)]