2719180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1721}}^1$

素因数の和:1809

約数の個数: 24

約数和(自身を含む): 5785920

約数和(自身を除く): 3066740

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 1721, 3442, 6884, 8605, 17210, 34420, 135959, 271918, 543836, 679795, 1359590, 2719180]

約数ペア:

[(1, 2719180), (2, 1359590), (4, 679795), (5, 543836), (10, 271918), (20, 135959), (79, 34420), (158, 17210), (316, 8605), (395, 6884), (790, 3442), (1580, 1721)]