13628750

素因数分解:

$2^1\times 5^4\times {\mathrm{10903}}^1$

素因数の和:10925

約数の個数: 20

約数和(自身を含む): 25548072

約数和(自身を除く): 11919322

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 10903, 21806, 54515, 109030, 272575, 545150, 1362875, 2725750, 6814375, 13628750]

約数ペア:

[(1, 13628750), (2, 6814375), (5, 2725750), (10, 1362875), (25, 545150), (50, 272575), (125, 109030), (250, 54515), (625, 21806), (1250, 10903)]