39483280

素因数分解:

$2^4\times 5^1\times {\mathrm{493541}}^1$

素因数の和:493554

約数の個数: 20

約数和(自身を含む): 91798812

約数和(自身を除く): 52315532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 493541, 987082, 1974164, 2467705, 3948328, 4935410, 7896656, 9870820, 19741640, 39483280]

約数ペア:

[(1, 39483280), (2, 19741640), (4, 9870820), (5, 7896656), (8, 4935410), (10, 3948328), (16, 2467705), (20, 1974164), (40, 987082), (80, 493541)]