17947640

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3533}}^1$

素因数の和:3671

約数の個数: 32

約数和(自身を含む): 40711680

約数和(自身を除く): 22764040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 3533, 5080, 7066, 14132, 17665, 28264, 35330, 70660, 141320, 448691, 897382, 1794764, 2243455, 3589528, 4486910, 8973820, 17947640]

約数ペア:

[(1, 17947640), (2, 8973820), (4, 4486910), (5, 3589528), (8, 2243455), (10, 1794764), (20, 897382), (40, 448691), (127, 141320), (254, 70660), (508, 35330), (635, 28264), (1016, 17665), (1270, 14132), (2540, 7066), (3533, 5080)]