28012240

素因数分解:

$2^4\times 5^1\times {\mathrm{487}}^1\times {\mathrm{719}}^1$

素因数の和:1219

約数の個数: 40

約数和(自身を含む): 65352960

約数和(自身を除く): 37340720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 487, 719, 974, 1438, 1948, 2435, 2876, 3595, 3896, 4870, 5752, 7190, 7792, 9740, 11504, 14380, 19480, 28760, 38960, 57520, 350153, 700306, 1400612, 1750765, 2801224, 3501530, 5602448, 7003060, 14006120, 28012240]

約数ペア:

[(1, 28012240), (2, 14006120), (4, 7003060), (5, 5602448), (8, 3501530), (10, 2801224), (16, 1750765), (20, 1400612), (40, 700306), (80, 350153), (487, 57520), (719, 38960), (974, 28760), (1438, 19480), (1948, 14380), (2435, 11504), (2876, 9740), (3595, 7792), (3896, 7190), (4870, 5752)]