163338260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{199193}}^1$

素因数の和:199243

約数の個数: 24

約数和(自身を含む): 351378216

約数和(自身を除く): 188039956

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 199193, 398386, 796772, 995965, 1991930, 3983860, 8166913, 16333826, 32667652, 40834565, 81669130, 163338260]

約数ペア:

[(1, 163338260), (2, 81669130), (4, 40834565), (5, 32667652), (10, 16333826), (20, 8166913), (41, 3983860), (82, 1991930), (164, 995965), (205, 796772), (410, 398386), (820, 199193)]