81203710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{907}}^1\times {\mathrm{1279}}^1$

素因数の和:2200

約数の個数: 32

約数和(自身を含む): 167362560

約数和(自身を除く): 86158850

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 907, 1279, 1814, 2558, 4535, 6349, 6395, 8953, 9070, 12698, 12790, 17906, 31745, 44765, 63490, 89530, 1160053, 2320106, 5800265, 8120371, 11600530, 16240742, 40601855, 81203710]

約数ペア:

[(1, 81203710), (2, 40601855), (5, 16240742), (7, 11600530), (10, 8120371), (14, 5800265), (35, 2320106), (70, 1160053), (907, 89530), (1279, 63490), (1814, 44765), (2558, 31745), (4535, 17906), (6349, 12790), (6395, 12698), (8953, 9070)]