71091040

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10333}}^1$

素因数の和:10391

約数の個数: 48

約数和(自身を含む): 171875088

約数和(自身を除く): 100784048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 10333, 20666, 41332, 51665, 82664, 103330, 165328, 206660, 330656, 413320, 444319, 826640, 888638, 1653280, 1777276, 2221595, 3554552, 4443190, 7109104, 8886380, 14218208, 17772760, 35545520, 71091040]

約数ペア:

[(1, 71091040), (2, 35545520), (4, 17772760), (5, 14218208), (8, 8886380), (10, 7109104), (16, 4443190), (20, 3554552), (32, 2221595), (40, 1777276), (43, 1653280), (80, 888638), (86, 826640), (160, 444319), (172, 413320), (215, 330656), (344, 206660), (430, 165328), (688, 103330), (860, 82664), (1376, 51665), (1720, 41332), (3440, 20666), (6880, 10333)]