8065180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 17962560

約数和(自身を除く): 9897380

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 197, 230, 356, 394, 445, 460, 788, 890, 985, 1780, 1970, 2047, 3940, 4094, 4531, 8188, 9062, 10235, 17533, 18124, 20470, 22655, 35066, 40940, 45310, 70132, 87665, 90620, 175330, 350660, 403259, 806518, 1613036, 2016295, 4032590, 8065180]

約数ペア:

[(1, 8065180), (2, 4032590), (4, 2016295), (5, 1613036), (10, 806518), (20, 403259), (23, 350660), (46, 175330), (89, 90620), (92, 87665), (115, 70132), (178, 45310), (197, 40940), (230, 35066), (356, 22655), (394, 20470), (445, 18124), (460, 17533), (788, 10235), (890, 9062), (985, 8188), (1780, 4531), (1970, 4094), (2047, 3940)]