102808880

素因数分解:

$2^4\times 5^1\times {\mathrm{1285111}}^1$

素因数の和:1285124

約数の個数: 20

約数和(自身を含む): 239030832

約数和(自身を除く): 136221952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1285111, 2570222, 5140444, 6425555, 10280888, 12851110, 20561776, 25702220, 51404440, 102808880]

約数ペア:

[(1, 102808880), (2, 51404440), (4, 25702220), (5, 20561776), (8, 12851110), (10, 10280888), (16, 6425555), (20, 5140444), (40, 2570222), (80, 1285111)]