72857320

素因数分解:

$2^3\times 5^1\times {\mathrm{1821433}}^1$

素因数の和:1821444

約数の個数: 16

約数和(自身を含む): 163929060

約数和(自身を除く): 91071740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1821433, 3642866, 7285732, 9107165, 14571464, 18214330, 36428660, 72857320]

約数ペア:

[(1, 72857320), (2, 36428660), (4, 18214330), (5, 14571464), (8, 9107165), (10, 7285732), (20, 3642866), (40, 1821433)]