80457660760

素因数分解:

$2^3\times 5^1\times {\mathrm{2011441519}}^1$

素因数の和:2011441530

約数の個数: 16

約数和(自身を含む): 181029736800

約数和(自身を除く): 100572076040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2011441519, 4022883038, 8045766076, 10057207595, 16091532152, 20114415190, 40228830380, 80457660760]

約数ペア:

[(1, 80457660760), (2, 40228830380), (4, 20114415190), (5, 16091532152), (8, 10057207595), (10, 8045766076), (20, 4022883038), (40, 2011441519)]