885800

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:162

約数の個数: 48

約数和(自身を含む): 2127840

約数和(自身を除く): 1242040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 103, 172, 200, 206, 215, 344, 412, 430, 515, 824, 860, 1030, 1075, 1720, 2060, 2150, 2575, 4120, 4300, 4429, 5150, 8600, 8858, 10300, 17716, 20600, 22145, 35432, 44290, 88580, 110725, 177160, 221450, 442900, 885800]

約数ペア:

[(1, 885800), (2, 442900), (4, 221450), (5, 177160), (8, 110725), (10, 88580), (20, 44290), (25, 35432), (40, 22145), (43, 20600), (50, 17716), (86, 10300), (100, 8858), (103, 8600), (172, 5150), (200, 4429), (206, 4300), (215, 4120), (344, 2575), (412, 2150), (430, 2060), (515, 1720), (824, 1075), (860, 1030)]