72792560

素因数分解:

$2^4\times 5^1\times {\mathrm{909907}}^1$

素因数の和:909920

約数の個数: 20

約数和(自身を含む): 169242888

約数和(自身を除く): 96450328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 909907, 1819814, 3639628, 4549535, 7279256, 9099070, 14558512, 18198140, 36396280, 72792560]

約数ペア:

[(1, 72792560), (2, 36396280), (4, 18198140), (5, 14558512), (8, 9099070), (10, 7279256), (16, 4549535), (20, 3639628), (40, 1819814), (80, 909907)]