40503280

素因数分解:

$2^4\times 5^1\times {\mathrm{506291}}^1$

素因数の和:506304

約数の個数: 20

約数和(自身を含む): 94170312

約数和(自身を除く): 53667032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 506291, 1012582, 2025164, 2531455, 4050328, 5062910, 8100656, 10125820, 20251640, 40503280]

約数ペア:

[(1, 40503280), (2, 20251640), (4, 10125820), (5, 8100656), (8, 5062910), (10, 4050328), (16, 2531455), (20, 2025164), (40, 1012582), (80, 506291)]