164077825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{1549}}^1$

素因数の和:1801

約数の個数: 24

約数和(自身を含む): 215264000

約数和(自身を除く): 51186175

約数列:

[1, 5, 19, 25, 95, 223, 475, 1115, 1549, 4237, 5575, 7745, 21185, 29431, 38725, 105925, 147155, 345427, 735775, 1727135, 6563113, 8635675, 32815565, 164077825]

約数ペア:

[(1, 164077825), (5, 32815565), (19, 8635675), (25, 6563113), (95, 1727135), (223, 735775), (475, 345427), (1115, 147155), (1549, 105925), (4237, 38725), (5575, 29431), (7745, 21185)]