13312720

素因数分解:

$2^4\times 5^1\times {\mathrm{166409}}^1$

素因数の和:166422

約数の個数: 20

約数和(自身を含む): 30952260

約数和(自身を除く): 17639540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 166409, 332818, 665636, 832045, 1331272, 1664090, 2662544, 3328180, 6656360, 13312720]

約数ペア:

[(1, 13312720), (2, 6656360), (4, 3328180), (5, 2662544), (8, 1664090), (10, 1331272), (16, 832045), (20, 665636), (40, 332818), (80, 166409)]