28304180

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{5261}}^1$

素因数の和:5539

約数の個数: 24

約数和(自身を含む): 59671080

約数和(自身を除く): 31366900

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 5261, 5380, 10522, 21044, 26305, 52610, 105220, 1415209, 2830418, 5660836, 7076045, 14152090, 28304180]

約数ペア:

[(1, 28304180), (2, 14152090), (4, 7076045), (5, 5660836), (10, 2830418), (20, 1415209), (269, 105220), (538, 52610), (1076, 26305), (1345, 21044), (2690, 10522), (5261, 5380)]