1627400

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 3868800

約数和(自身を除く): 2241400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 103, 158, 200, 206, 316, 395, 412, 515, 632, 790, 824, 1030, 1580, 1975, 2060, 2575, 3160, 3950, 4120, 5150, 7900, 8137, 10300, 15800, 16274, 20600, 32548, 40685, 65096, 81370, 162740, 203425, 325480, 406850, 813700, 1627400]

約数ペア:

[(1, 1627400), (2, 813700), (4, 406850), (5, 325480), (8, 203425), (10, 162740), (20, 81370), (25, 65096), (40, 40685), (50, 32548), (79, 20600), (100, 16274), (103, 15800), (158, 10300), (200, 8137), (206, 7900), (316, 5150), (395, 4120), (412, 3950), (515, 3160), (632, 2575), (790, 2060), (824, 1975), (1030, 1580)]