8144900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1031}}^1$

素因数の和:1124

約数の個数: 36

約数和(自身を含む): 17915520

約数和(自身を除く): 9770620

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1031, 1580, 1975, 2062, 3950, 4124, 5155, 7900, 10310, 20620, 25775, 51550, 81449, 103100, 162898, 325796, 407245, 814490, 1628980, 2036225, 4072450, 8144900]

約数ペア:

[(1, 8144900), (2, 4072450), (4, 2036225), (5, 1628980), (10, 814490), (20, 407245), (25, 325796), (50, 162898), (79, 103100), (100, 81449), (158, 51550), (316, 25775), (395, 20620), (790, 10310), (1031, 7900), (1580, 5155), (1975, 4124), (2062, 3950)]