40135280

素因数分解:

$2^4\times 5^1\times {\mathrm{501691}}^1$

素因数の和:501704

約数の個数: 20

約数和(自身を含む): 93314712

約数和(自身を除く): 53179432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 501691, 1003382, 2006764, 2508455, 4013528, 5016910, 8027056, 10033820, 20067640, 40135280]

約数ペア:

[(1, 40135280), (2, 20067640), (4, 10033820), (5, 8027056), (8, 5016910), (10, 4013528), (16, 2508455), (20, 2006764), (40, 1003382), (80, 501691)]