8659120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6367}}^1$

素因数の和:6397

約数の個数: 40

約数和(自身を含む): 21320064

約数和(自身を除く): 12660944

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 6367, 12734, 25468, 31835, 50936, 63670, 101872, 108239, 127340, 216478, 254680, 432956, 509360, 541195, 865912, 1082390, 1731824, 2164780, 4329560, 8659120]

約数ペア:

[(1, 8659120), (2, 4329560), (4, 2164780), (5, 1731824), (8, 1082390), (10, 865912), (16, 541195), (17, 509360), (20, 432956), (34, 254680), (40, 216478), (68, 127340), (80, 108239), (85, 101872), (136, 63670), (170, 50936), (272, 31835), (340, 25468), (680, 12734), (1360, 6367)]