82257040

素因数分解:

$2^4\times 5^1\times {\mathrm{1028213}}^1$

素因数の和:1028226

約数の個数: 20

約数和(自身を含む): 191247804

約数和(自身を除く): 108990764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1028213, 2056426, 4112852, 5141065, 8225704, 10282130, 16451408, 20564260, 41128520, 82257040]

約数ペア:

[(1, 82257040), (2, 41128520), (4, 20564260), (5, 16451408), (8, 10282130), (10, 8225704), (16, 5141065), (20, 4112852), (40, 2056426), (80, 1028213)]