7884080

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{709}}^1$

素因数の和:861

約数の個数: 40

約数和(自身を含む): 18488400

約数和(自身を除く): 10604320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 709, 1112, 1390, 1418, 2224, 2780, 2836, 3545, 5560, 5672, 7090, 11120, 11344, 14180, 28360, 56720, 98551, 197102, 394204, 492755, 788408, 985510, 1576816, 1971020, 3942040, 7884080]

約数ペア:

[(1, 7884080), (2, 3942040), (4, 1971020), (5, 1576816), (8, 985510), (10, 788408), (16, 492755), (20, 394204), (40, 197102), (80, 98551), (139, 56720), (278, 28360), (556, 14180), (695, 11344), (709, 11120), (1112, 7090), (1390, 5672), (1418, 5560), (2224, 3545), (2780, 2836)]