81235996910

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{40822109}}^1$

素因数の和:40822315

約数の個数: 16

約数和(自身を含む): 146959596000

約数和(自身を除く): 65723599090

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 40822109, 81644218, 204110545, 408221090, 8123599691, 16247199382, 40617998455, 81235996910]

約数ペア:

[(1, 81235996910), (2, 40617998455), (5, 16247199382), (10, 8123599691), (199, 408221090), (398, 204110545), (995, 81644218), (1990, 40822109)]