8654180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 19293120

約数和(自身を除く): 10638940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 215, 290, 347, 430, 580, 694, 860, 1247, 1388, 1735, 2494, 3470, 4988, 6235, 6940, 10063, 12470, 14921, 20126, 24940, 29842, 40252, 50315, 59684, 74605, 100630, 149210, 201260, 298420, 432709, 865418, 1730836, 2163545, 4327090, 8654180]

約数ペア:

[(1, 8654180), (2, 4327090), (4, 2163545), (5, 1730836), (10, 865418), (20, 432709), (29, 298420), (43, 201260), (58, 149210), (86, 100630), (116, 74605), (145, 59684), (172, 50315), (215, 40252), (290, 29842), (347, 24940), (430, 20126), (580, 14921), (694, 12470), (860, 10063), (1247, 6940), (1388, 6235), (1735, 4988), (2494, 3470)]