8169620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21499}}^1$

素因数の和:21527

約数の個数: 24

約数和(自身を含む): 18060000

約数和(自身を除く): 9890380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 21499, 42998, 85996, 107495, 214990, 408481, 429980, 816962, 1633924, 2042405, 4084810, 8169620]

約数ペア:

[(1, 8169620), (2, 4084810), (4, 2042405), (5, 1633924), (10, 816962), (19, 429980), (20, 408481), (38, 214990), (76, 107495), (95, 85996), (190, 42998), (380, 21499)]