66710800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{12829}}^1$

素因数の和:12860

約数の個数: 60

約数和(自身を含む): 172614820

約数和(自身を除く): 105904020

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 12829, 25658, 51316, 64145, 102632, 128290, 166777, 205264, 256580, 320725, 333554, 513160, 641450, 667108, 833885, 1026320, 1282900, 1334216, 1667770, 2565800, 2668432, 3335540, 4169425, 5131600, 6671080, 8338850, 13342160, 16677700, 33355400, 66710800]

約数ペア:

[(1, 66710800), (2, 33355400), (4, 16677700), (5, 13342160), (8, 8338850), (10, 6671080), (13, 5131600), (16, 4169425), (20, 3335540), (25, 2668432), (26, 2565800), (40, 1667770), (50, 1334216), (52, 1282900), (65, 1026320), (80, 833885), (100, 667108), (104, 641450), (130, 513160), (200, 333554), (208, 320725), (260, 256580), (325, 205264), (400, 166777), (520, 128290), (650, 102632), (1040, 64145), (1300, 51316), (2600, 25658), (5200, 12829)]