71117560

素因数分解:

$2^3\times 5^1\times {\mathrm{1777939}}^1$

素因数の和:1777950

約数の個数: 16

約数和(自身を含む): 160014600

約数和(自身を除く): 88897040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1777939, 3555878, 7111756, 8889695, 14223512, 17779390, 35558780, 71117560]

約数ペア:

[(1, 71117560), (2, 35558780), (4, 17779390), (5, 14223512), (8, 8889695), (10, 7111756), (20, 3555878), (40, 1777939)]