83004820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{389}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 179262720

約数和(自身を除く): 96257900

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 227, 235, 389, 454, 470, 778, 908, 940, 1135, 1556, 1945, 2270, 3890, 4540, 7780, 10669, 18283, 21338, 36566, 42676, 53345, 73132, 88303, 91415, 106690, 176606, 182830, 213380, 353212, 365660, 441515, 883030, 1766060, 4150241, 8300482, 16600964, 20751205, 41502410, 83004820]

約数ペア:

[(1, 83004820), (2, 41502410), (4, 20751205), (5, 16600964), (10, 8300482), (20, 4150241), (47, 1766060), (94, 883030), (188, 441515), (227, 365660), (235, 353212), (389, 213380), (454, 182830), (470, 176606), (778, 106690), (908, 91415), (940, 88303), (1135, 73132), (1556, 53345), (1945, 42676), (2270, 36566), (3890, 21338), (4540, 18283), (7780, 10669)]