8731660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1327}}^1$

素因数の和:1390

約数の個数: 48

約数和(自身を含む): 21417984

約数和(自身を除く): 12686324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1327, 1645, 2654, 3290, 5308, 6580, 6635, 9289, 13270, 18578, 26540, 37156, 46445, 62369, 92890, 124738, 185780, 249476, 311845, 436583, 623690, 873166, 1247380, 1746332, 2182915, 4365830, 8731660]

約数ペア:

[(1, 8731660), (2, 4365830), (4, 2182915), (5, 1746332), (7, 1247380), (10, 873166), (14, 623690), (20, 436583), (28, 311845), (35, 249476), (47, 185780), (70, 124738), (94, 92890), (140, 62369), (188, 46445), (235, 37156), (329, 26540), (470, 18578), (658, 13270), (940, 9289), (1316, 6635), (1327, 6580), (1645, 5308), (2654, 3290)]