70841480

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{3607}}^1$

素因数の和:4109

約数の個数: 32

約数和(自身を含む): 159762240

約数和(自身を除く): 88920760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3607, 3928, 4910, 7214, 9820, 14428, 18035, 19640, 28856, 36070, 72140, 144280, 1771037, 3542074, 7084148, 8855185, 14168296, 17710370, 35420740, 70841480]

約数ペア:

[(1, 70841480), (2, 35420740), (4, 17710370), (5, 14168296), (8, 8855185), (10, 7084148), (20, 3542074), (40, 1771037), (491, 144280), (982, 72140), (1964, 36070), (2455, 28856), (3607, 19640), (3928, 18035), (4910, 14428), (7214, 9820)]