197403280

素因数分解:

$2^4\times 5^1\times {\mathrm{2467541}}^1$

素因数の和:2467554

約数の個数: 20

約数和(自身を含む): 458962812

約数和(自身を除く): 261559532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2467541, 4935082, 9870164, 12337705, 19740328, 24675410, 39480656, 49350820, 98701640, 197403280]

約数ペア:

[(1, 197403280), (2, 98701640), (4, 49350820), (5, 39480656), (8, 24675410), (10, 19740328), (16, 12337705), (20, 9870164), (40, 4935082), (80, 2467541)]