28713800

素因数分解:

$2^3\times 5^2\times {\mathrm{143569}}^1$

素因数の和:143585

約数の個数: 24

約数和(自身を含む): 66760050

約数和(自身を除く): 38046250

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 143569, 287138, 574276, 717845, 1148552, 1435690, 2871380, 3589225, 5742760, 7178450, 14356900, 28713800]

約数ペア:

[(1, 28713800), (2, 14356900), (4, 7178450), (5, 5742760), (8, 3589225), (10, 2871380), (20, 1435690), (25, 1148552), (40, 717845), (50, 574276), (100, 287138), (200, 143569)]