16042640

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1579}}^1$

素因数の和:1719

約数の個数: 40

約数和(自身を含む): 37616640

約数和(自身を除く): 21574000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 1579, 2032, 2540, 3158, 5080, 6316, 7895, 10160, 12632, 15790, 25264, 31580, 63160, 126320, 200533, 401066, 802132, 1002665, 1604264, 2005330, 3208528, 4010660, 8021320, 16042640]

約数ペア:

[(1, 16042640), (2, 8021320), (4, 4010660), (5, 3208528), (8, 2005330), (10, 1604264), (16, 1002665), (20, 802132), (40, 401066), (80, 200533), (127, 126320), (254, 63160), (508, 31580), (635, 25264), (1016, 15790), (1270, 12632), (1579, 10160), (2032, 7895), (2540, 6316), (3158, 5080)]