87379280

素因数分解:

$2^4\times 5^1\times {\mathrm{1092241}}^1$

素因数の和:1092254

約数の個数: 20

約数和(自身を含む): 203157012

約数和(自身を除く): 115777732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1092241, 2184482, 4368964, 5461205, 8737928, 10922410, 17475856, 21844820, 43689640, 87379280]

約数ペア:

[(1, 87379280), (2, 43689640), (4, 21844820), (5, 17475856), (8, 10922410), (10, 8737928), (16, 5461205), (20, 4368964), (40, 2184482), (80, 1092241)]