2779220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1759}}^1$

素因数の和:1847

約数の個数: 24

約数和(自身を含む): 5913600

約数和(自身を除く): 3134380

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 1759, 3518, 7036, 8795, 17590, 35180, 138961, 277922, 555844, 694805, 1389610, 2779220]

約数ペア:

[(1, 2779220), (2, 1389610), (4, 694805), (5, 555844), (10, 277922), (20, 138961), (79, 35180), (158, 17590), (316, 8795), (395, 7036), (790, 3518), (1580, 1759)]