80142860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{572449}}^1$

素因数の和:572465

約数の個数: 24

約数和(自身を含む): 192343200

約数和(自身を除く): 112200340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 572449, 1144898, 2289796, 2862245, 4007143, 5724490, 8014286, 11448980, 16028572, 20035715, 40071430, 80142860]

約数ペア:

[(1, 80142860), (2, 40071430), (4, 20035715), (5, 16028572), (7, 11448980), (10, 8014286), (14, 5724490), (20, 4007143), (28, 2862245), (35, 2289796), (70, 1144898), (140, 572449)]