28571450

素因数分解:

$2^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{4111}}^1$

素因数の和:4262

約数の個数: 24

約数和(自身を含む): 53538240

約数和(自身を除く): 24966790

約数列:

[1, 2, 5, 10, 25, 50, 139, 278, 695, 1390, 3475, 4111, 6950, 8222, 20555, 41110, 102775, 205550, 571429, 1142858, 2857145, 5714290, 14285725, 28571450]

約数ペア:

[(1, 28571450), (2, 14285725), (5, 5714290), (10, 2857145), (25, 1142858), (50, 571429), (139, 205550), (278, 102775), (695, 41110), (1390, 20555), (3475, 8222), (4111, 6950)]