27885680

素因数分解:

$2^4\times 5^1\times {\mathrm{348571}}^1$

素因数の和:348584

約数の個数: 20

約数和(自身を含む): 64834392

約数和(自身を除く): 36948712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 348571, 697142, 1394284, 1742855, 2788568, 3485710, 5577136, 6971420, 13942840, 27885680]

約数ペア:

[(1, 27885680), (2, 13942840), (4, 6971420), (5, 5577136), (8, 3485710), (10, 2788568), (16, 1742855), (20, 1394284), (40, 697142), (80, 348571)]