2077720

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 4723200

約数和(自身を除く): 2645480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 409, 508, 635, 818, 1016, 1270, 1636, 2045, 2540, 3272, 4090, 5080, 8180, 16360, 51943, 103886, 207772, 259715, 415544, 519430, 1038860, 2077720]

約数ペア:

[(1, 2077720), (2, 1038860), (4, 519430), (5, 415544), (8, 259715), (10, 207772), (20, 103886), (40, 51943), (127, 16360), (254, 8180), (409, 5080), (508, 4090), (635, 3272), (818, 2540), (1016, 2045), (1270, 1636)]