8021320

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1579}}^1$

素因数の和:1717

約数の個数: 32

約数和(自身を含む): 18201600

約数和(自身を除く): 10180280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 1579, 2540, 3158, 5080, 6316, 7895, 12632, 15790, 31580, 63160, 200533, 401066, 802132, 1002665, 1604264, 2005330, 4010660, 8021320]

約数ペア:

[(1, 8021320), (2, 4010660), (4, 2005330), (5, 1604264), (8, 1002665), (10, 802132), (20, 401066), (40, 200533), (127, 63160), (254, 31580), (508, 15790), (635, 12632), (1016, 7895), (1270, 6316), (1579, 5080), (2540, 3158)]