166154840

素因数分解:

$2^3\times 5^1\times {\mathrm{4153871}}^1$

素因数の和:4153882

約数の個数: 16

約数和(自身を含む): 373848480

約数和(自身を除く): 207693640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4153871, 8307742, 16615484, 20769355, 33230968, 41538710, 83077420, 166154840]

約数ペア:

[(1, 166154840), (2, 83077420), (4, 41538710), (5, 33230968), (8, 20769355), (10, 16615484), (20, 8307742), (40, 4153871)]