140457040

素因数分解:

$2^4\times 5^1\times {\mathrm{1755713}}^1$

素因数の和:1755726

約数の個数: 20

約数和(自身を含む): 326562804

約数和(自身を除く): 186105764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1755713, 3511426, 7022852, 8778565, 14045704, 17557130, 28091408, 35114260, 70228520, 140457040]

約数ペア:

[(1, 140457040), (2, 70228520), (4, 35114260), (5, 28091408), (8, 17557130), (10, 14045704), (16, 8778565), (20, 7022852), (40, 3511426), (80, 1755713)]