28049620

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{8933}}^1$

素因数の和:9099

約数の個数: 24

約数和(自身を含む): 59286024

約数和(自身を除く): 31236404

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 8933, 17866, 35732, 44665, 89330, 178660, 1402481, 2804962, 5609924, 7012405, 14024810, 28049620]

約数ペア:

[(1, 28049620), (2, 14024810), (4, 7012405), (5, 5609924), (10, 2804962), (20, 1402481), (157, 178660), (314, 89330), (628, 44665), (785, 35732), (1570, 17866), (3140, 8933)]