80381456

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{49741}}^1$

素因数の和:49850

約数の個数: 20

約数和(自身を含む): 157284204

約数和(自身を除く): 76902748

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 49741, 99482, 198964, 397928, 795856, 5023841, 10047682, 20095364, 40190728, 80381456]

約数ペア:

[(1, 80381456), (2, 40190728), (4, 20095364), (8, 10047682), (16, 5023841), (101, 795856), (202, 397928), (404, 198964), (808, 99482), (1616, 49741)]