8425660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 18648000

約数和(自身を除く): 10222340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 199, 290, 292, 365, 398, 580, 730, 796, 995, 1460, 1990, 2117, 3980, 4234, 5771, 8468, 10585, 11542, 14527, 21170, 23084, 28855, 29054, 42340, 57710, 58108, 72635, 115420, 145270, 290540, 421283, 842566, 1685132, 2106415, 4212830, 8425660]

約数ペア:

[(1, 8425660), (2, 4212830), (4, 2106415), (5, 1685132), (10, 842566), (20, 421283), (29, 290540), (58, 145270), (73, 115420), (116, 72635), (145, 58108), (146, 57710), (199, 42340), (290, 29054), (292, 28855), (365, 23084), (398, 21170), (580, 14527), (730, 11542), (796, 10585), (995, 8468), (1460, 5771), (1990, 4234), (2117, 3980)]