6556280

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2687}}^1$

素因数の和:2759

約数の個数: 32

約数和(自身を含む): 14999040

約数和(自身を除く): 8442760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 2687, 5374, 10748, 13435, 21496, 26870, 53740, 107480, 163907, 327814, 655628, 819535, 1311256, 1639070, 3278140, 6556280]

約数ペア:

[(1, 6556280), (2, 3278140), (4, 1639070), (5, 1311256), (8, 819535), (10, 655628), (20, 327814), (40, 163907), (61, 107480), (122, 53740), (244, 26870), (305, 21496), (488, 13435), (610, 10748), (1220, 5374), (2440, 2687)]