22138640

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2179}}^1$

素因数の和:2319

約数の個数: 40

約数和(自身を含む): 51901440

約数和(自身を除く): 29762800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2179, 2540, 4358, 5080, 8716, 10160, 10895, 17432, 21790, 34864, 43580, 87160, 174320, 276733, 553466, 1106932, 1383665, 2213864, 2767330, 4427728, 5534660, 11069320, 22138640]

約数ペア:

[(1, 22138640), (2, 11069320), (4, 5534660), (5, 4427728), (8, 2767330), (10, 2213864), (16, 1383665), (20, 1106932), (40, 553466), (80, 276733), (127, 174320), (254, 87160), (508, 43580), (635, 34864), (1016, 21790), (1270, 17432), (2032, 10895), (2179, 10160), (2540, 8716), (4358, 5080)]