1252737040

素因数分解:

$2^4\times 5^1\times {\mathrm{15659213}}^1$

素因数の和:15659226

約数の個数: 20

約数和(自身を含む): 2912613804

約数和(自身を除く): 1659876764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15659213, 31318426, 62636852, 78296065, 125273704, 156592130, 250547408, 313184260, 626368520, 1252737040]

約数ペア:

[(1, 1252737040), (2, 626368520), (4, 313184260), (5, 250547408), (8, 156592130), (10, 125273704), (16, 78296065), (20, 62636852), (40, 31318426), (80, 15659213)]