80408860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1151}}^1$

素因数の和:1666

約数の個数: 48

約数和(自身を含む): 193536000

約数和(自身を除く): 113127140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 499, 998, 1151, 1996, 2302, 2495, 3493, 4604, 4990, 5755, 6986, 8057, 9980, 11510, 13972, 16114, 17465, 23020, 32228, 34930, 40285, 69860, 80570, 161140, 574349, 1148698, 2297396, 2871745, 4020443, 5743490, 8040886, 11486980, 16081772, 20102215, 40204430, 80408860]

約数ペア:

[(1, 80408860), (2, 40204430), (4, 20102215), (5, 16081772), (7, 11486980), (10, 8040886), (14, 5743490), (20, 4020443), (28, 2871745), (35, 2297396), (70, 1148698), (140, 574349), (499, 161140), (998, 80570), (1151, 69860), (1996, 40285), (2302, 34930), (2495, 32228), (3493, 23020), (4604, 17465), (4990, 16114), (5755, 13972), (6986, 11510), (8057, 9980)]