72970580

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{8311}}^1$

素因数の和:8759

約数の個数: 24

約数和(自身を含む): 153605760

約数和(自身を除く): 80635180

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8311, 8780, 16622, 33244, 41555, 83110, 166220, 3648529, 7297058, 14594116, 18242645, 36485290, 72970580]

約数ペア:

[(1, 72970580), (2, 36485290), (4, 18242645), (5, 14594116), (10, 7297058), (20, 3648529), (439, 166220), (878, 83110), (1756, 41555), (2195, 33244), (4390, 16622), (8311, 8780)]