28764080

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2153}}^1$

素因数の和:2333

約数の個数: 40

約数和(自身を含む): 67308192

約数和(自身を除く): 38544112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1670, 2153, 2672, 3340, 4306, 6680, 8612, 10765, 13360, 17224, 21530, 34448, 43060, 86120, 172240, 359551, 719102, 1438204, 1797755, 2876408, 3595510, 5752816, 7191020, 14382040, 28764080]

約数ペア:

[(1, 28764080), (2, 14382040), (4, 7191020), (5, 5752816), (8, 3595510), (10, 2876408), (16, 1797755), (20, 1438204), (40, 719102), (80, 359551), (167, 172240), (334, 86120), (668, 43060), (835, 34448), (1336, 21530), (1670, 17224), (2153, 13360), (2672, 10765), (3340, 8612), (4306, 6680)]