8691080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12781}}^1$

素因数の和:12809

約数の個数: 32

約数和(自身を含む): 20706840

約数和(自身を除く): 12015760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 12781, 25562, 51124, 63905, 102248, 127810, 217277, 255620, 434554, 511240, 869108, 1086385, 1738216, 2172770, 4345540, 8691080]

約数ペア:

[(1, 8691080), (2, 4345540), (4, 2172770), (5, 1738216), (8, 1086385), (10, 869108), (17, 511240), (20, 434554), (34, 255620), (40, 217277), (68, 127810), (85, 102248), (136, 63905), (170, 51124), (340, 25562), (680, 12781)]