12778709780

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2557}}^1\times {\mathrm{3163}}^1$

素因数の和:5808

約数の個数: 48

約数和(自身を含む): 27194200320

約数和(自身を除く): 14415490540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 2557, 3163, 5114, 6326, 10228, 12652, 12785, 15815, 25570, 31630, 51140, 63260, 202003, 249877, 404006, 499754, 808012, 999508, 1010015, 1249385, 2020030, 2498770, 4040060, 4997540, 8087791, 16175582, 32351164, 40438955, 80877910, 161755820, 638935489, 1277870978, 2555741956, 3194677445, 6389354890, 12778709780]

約数ペア:

[(1, 12778709780), (2, 6389354890), (4, 3194677445), (5, 2555741956), (10, 1277870978), (20, 638935489), (79, 161755820), (158, 80877910), (316, 40438955), (395, 32351164), (790, 16175582), (1580, 8087791), (2557, 4997540), (3163, 4040060), (5114, 2498770), (6326, 2020030), (10228, 1249385), (12652, 1010015), (12785, 999508), (15815, 808012), (25570, 499754), (31630, 404006), (51140, 249877), (63260, 202003)]