28843280

素因数分解:

$2^4\times 5^1\times {\mathrm{360541}}^1$

素因数の和:360554

約数の個数: 20

約数和(自身を含む): 67060812

約数和(自身を除く): 38217532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 360541, 721082, 1442164, 1802705, 2884328, 3605410, 5768656, 7210820, 14421640, 28843280]

約数ペア:

[(1, 28843280), (2, 14421640), (4, 7210820), (5, 5768656), (8, 3605410), (10, 2884328), (16, 1802705), (20, 1442164), (40, 721082), (80, 360541)]