8501980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5381}}^1$

素因数の和:5469

約数の個数: 24

約数和(自身を含む): 18083520

約数和(自身を除く): 9581540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 5381, 10762, 21524, 26905, 53810, 107620, 425099, 850198, 1700396, 2125495, 4250990, 8501980]

約数ペア:

[(1, 8501980), (2, 4250990), (4, 2125495), (5, 1700396), (10, 850198), (20, 425099), (79, 107620), (158, 53810), (316, 26905), (395, 21524), (790, 10762), (1580, 5381)]