66622540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{719}}^1$

素因数の和:882

約数の個数: 48

約数和(自身を含む): 144789120

約数和(自身を除く): 78166580

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 113, 164, 205, 226, 410, 452, 565, 719, 820, 1130, 1438, 2260, 2876, 3595, 4633, 7190, 9266, 14380, 18532, 23165, 29479, 46330, 58958, 81247, 92660, 117916, 147395, 162494, 294790, 324988, 406235, 589580, 812470, 1624940, 3331127, 6662254, 13324508, 16655635, 33311270, 66622540]

約数ペア:

[(1, 66622540), (2, 33311270), (4, 16655635), (5, 13324508), (10, 6662254), (20, 3331127), (41, 1624940), (82, 812470), (113, 589580), (164, 406235), (205, 324988), (226, 294790), (410, 162494), (452, 147395), (565, 117916), (719, 92660), (820, 81247), (1130, 58958), (1438, 46330), (2260, 29479), (2876, 23165), (3595, 18532), (4633, 14380), (7190, 9266)]