28550740

素因数分解:

$2^2\times 5^1\times {\mathrm{911}}^1\times {\mathrm{1567}}^1$

素因数の和:2487

約数の個数: 24

約数和(自身を含む): 60060672

約数和(自身を除く): 31509932

約数列:

[1, 2, 4, 5, 10, 20, 911, 1567, 1822, 3134, 3644, 4555, 6268, 7835, 9110, 15670, 18220, 31340, 1427537, 2855074, 5710148, 7137685, 14275370, 28550740]

約数ペア:

[(1, 28550740), (2, 14275370), (4, 7137685), (5, 5710148), (10, 2855074), (20, 1427537), (911, 31340), (1567, 18220), (1822, 15670), (3134, 9110), (3644, 7835), (4555, 6268)]