205014550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{315407}}^1$

素因数の和:315432

約数の個数: 24

約数和(自身を含む): 410661216

約数和(自身を除く): 205646666

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 315407, 630814, 1577035, 3154070, 4100291, 7885175, 8200582, 15770350, 20501455, 41002910, 102507275, 205014550]

約数ペア:

[(1, 205014550), (2, 102507275), (5, 41002910), (10, 20501455), (13, 15770350), (25, 8200582), (26, 7885175), (50, 4100291), (65, 3154070), (130, 1577035), (325, 630814), (650, 315407)]