829760720

素因数分解:

$2^4\times 5^1\times {\mathrm{10372009}}^1$

素因数の和:10372022

約数の個数: 20

約数和(自身を含む): 1929193860

約数和(自身を除く): 1099433140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10372009, 20744018, 41488036, 51860045, 82976072, 103720090, 165952144, 207440180, 414880360, 829760720]

約数ペア:

[(1, 829760720), (2, 414880360), (4, 207440180), (5, 165952144), (8, 103720090), (10, 82976072), (16, 51860045), (20, 41488036), (40, 20744018), (80, 10372009)]