8044220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21169}}^1$

素因数の和:21197

約数の個数: 24

約数和(自身を含む): 17782800

約数和(自身を除く): 9738580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 21169, 42338, 84676, 105845, 211690, 402211, 423380, 804422, 1608844, 2011055, 4022110, 8044220]

約数ペア:

[(1, 8044220), (2, 4022110), (4, 2011055), (5, 1608844), (10, 804422), (19, 423380), (20, 402211), (38, 211690), (76, 105845), (95, 84676), (190, 42338), (380, 21169)]