8771480

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2129}}^1$

素因数の和:2243

約数の個数: 32

約数和(自身を含む): 19936800

約数和(自身を除く): 11165320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 2129, 4120, 4258, 8516, 10645, 17032, 21290, 42580, 85160, 219287, 438574, 877148, 1096435, 1754296, 2192870, 4385740, 8771480]

約数ペア:

[(1, 8771480), (2, 4385740), (4, 2192870), (5, 1754296), (8, 1096435), (10, 877148), (20, 438574), (40, 219287), (103, 85160), (206, 42580), (412, 21290), (515, 17032), (824, 10645), (1030, 8516), (2060, 4258), (2129, 4120)]