7774280

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{739}}^1$

素因数の和:1013

約数の個数: 32

約数和(自身を含む): 17582400

約数和(自身を除く): 9808120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 739, 1052, 1315, 1478, 2104, 2630, 2956, 3695, 5260, 5912, 7390, 10520, 14780, 29560, 194357, 388714, 777428, 971785, 1554856, 1943570, 3887140, 7774280]

約数ペア:

[(1, 7774280), (2, 3887140), (4, 1943570), (5, 1554856), (8, 971785), (10, 777428), (20, 388714), (40, 194357), (263, 29560), (526, 14780), (739, 10520), (1052, 7390), (1315, 5912), (1478, 5260), (2104, 3695), (2630, 2956)]