51640820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{33533}}^1$

素因数の和:33560

約数の個数: 48

約数和(自身を含む): 135209088

約数和(自身を除く): 83568268

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 33533, 67066, 134132, 167665, 234731, 335330, 368863, 469462, 670660, 737726, 938924, 1173655, 1475452, 1844315, 2347310, 2582041, 3688630, 4694620, 5164082, 7377260, 10328164, 12910205, 25820410, 51640820]

約数ペア:

[(1, 51640820), (2, 25820410), (4, 12910205), (5, 10328164), (7, 7377260), (10, 5164082), (11, 4694620), (14, 3688630), (20, 2582041), (22, 2347310), (28, 1844315), (35, 1475452), (44, 1173655), (55, 938924), (70, 737726), (77, 670660), (110, 469462), (140, 368863), (154, 335330), (220, 234731), (308, 167665), (385, 134132), (770, 67066), (1540, 33533)]