80759420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1879}}^1$

素因数の和:2202

約数の個数: 48

約数和(自身を含む): 194557440

約数和(自身を除く): 113798020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 307, 614, 1228, 1535, 1879, 2149, 3070, 3758, 4298, 6140, 7516, 8596, 9395, 10745, 13153, 18790, 21490, 26306, 37580, 42980, 52612, 65765, 131530, 263060, 576853, 1153706, 2307412, 2884265, 4037971, 5768530, 8075942, 11537060, 16151884, 20189855, 40379710, 80759420]

約数ペア:

[(1, 80759420), (2, 40379710), (4, 20189855), (5, 16151884), (7, 11537060), (10, 8075942), (14, 5768530), (20, 4037971), (28, 2884265), (35, 2307412), (70, 1153706), (140, 576853), (307, 263060), (614, 131530), (1228, 65765), (1535, 52612), (1879, 42980), (2149, 37580), (3070, 26306), (3758, 21490), (4298, 18790), (6140, 13153), (7516, 10745), (8596, 9395)]