71642320

素因数分解:

$2^4\times 5^1\times {\mathrm{895529}}^1$

素因数の和:895542

約数の個数: 20

約数和(自身を含む): 166568580

約数和(自身を除く): 94926260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 895529, 1791058, 3582116, 4477645, 7164232, 8955290, 14328464, 17910580, 35821160, 71642320]

約数ペア:

[(1, 71642320), (2, 35821160), (4, 17910580), (5, 14328464), (8, 8955290), (10, 7164232), (16, 4477645), (20, 3582116), (40, 1791058), (80, 895529)]