8164280

素因数分解:

$2^3\times 5^1\times {\mathrm{204107}}^1$

素因数の和:204118

約数の個数: 16

約数和(自身を含む): 18369720

約数和(自身を除く): 10205440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 204107, 408214, 816428, 1020535, 1632856, 2041070, 4082140, 8164280]

約数ペア:

[(1, 8164280), (2, 4082140), (4, 2041070), (5, 1632856), (8, 1020535), (10, 816428), (20, 408214), (40, 204107)]