7971028880

素因数分解:

$2^4\times 5^1\times {\mathrm{2549}}^1\times {\mathrm{39089}}^1$

素因数の和:41651

約数の個数: 40

約数和(自身を含む): 18540387000

約数和(自身を除く): 10569358120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2549, 5098, 10196, 12745, 20392, 25490, 39089, 40784, 50980, 78178, 101960, 156356, 195445, 203920, 312712, 390890, 625424, 781780, 1563560, 3127120, 99637861, 199275722, 398551444, 498189305, 797102888, 996378610, 1594205776, 1992757220, 3985514440, 7971028880]

約数ペア:

[(1, 7971028880), (2, 3985514440), (4, 1992757220), (5, 1594205776), (8, 996378610), (10, 797102888), (16, 498189305), (20, 398551444), (40, 199275722), (80, 99637861), (2549, 3127120), (5098, 1563560), (10196, 781780), (12745, 625424), (20392, 390890), (25490, 312712), (39089, 203920), (40784, 195445), (50980, 156356), (78178, 101960)]