28490052020

素因数分解:

$2^2\times 5^1\times {\mathrm{1424502601}}^1$

素因数の和:1424502610

約数の個数: 12

約数和(自身を含む): 59829109284

約数和(自身を除く): 31339057264

約数列:

[1, 2, 4, 5, 10, 20, 1424502601, 2849005202, 5698010404, 7122513005, 14245026010, 28490052020]

約数ペア:

[(1, 28490052020), (2, 14245026010), (4, 7122513005), (5, 5698010404), (10, 2849005202), (20, 1424502601)]