140289680

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{8311}}^1$

素因数の和:8535

約数の個数: 40

約数和(自身を含む): 327758784

約数和(自身を除く): 187469104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 8311, 8440, 16622, 16880, 33244, 41555, 66488, 83110, 132976, 166220, 332440, 664880, 1753621, 3507242, 7014484, 8768105, 14028968, 17536210, 28057936, 35072420, 70144840, 140289680]

約数ペア:

[(1, 140289680), (2, 70144840), (4, 35072420), (5, 28057936), (8, 17536210), (10, 14028968), (16, 8768105), (20, 7014484), (40, 3507242), (80, 1753621), (211, 664880), (422, 332440), (844, 166220), (1055, 132976), (1688, 83110), (2110, 66488), (3376, 41555), (4220, 33244), (8311, 16880), (8440, 16622)]