8617480

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2221}}^1$

素因数の和:2329

約数の個数: 32

約数和(自身を含む): 19598040

約数和(自身を除く): 10980560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 2221, 3880, 4442, 8884, 11105, 17768, 22210, 44420, 88840, 215437, 430874, 861748, 1077185, 1723496, 2154370, 4308740, 8617480]

約数ペア:

[(1, 8617480), (2, 4308740), (4, 2154370), (5, 1723496), (8, 1077185), (10, 861748), (20, 430874), (40, 215437), (97, 88840), (194, 44420), (388, 22210), (485, 17768), (776, 11105), (970, 8884), (1940, 4442), (2221, 3880)]