13185680

素因数分解:

$2^4\times 5^1\times {\mathrm{164821}}^1$

素因数の和:164834

約数の個数: 20

約数和(自身を含む): 30656892

約数和(自身を除く): 17471212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 164821, 329642, 659284, 824105, 1318568, 1648210, 2637136, 3296420, 6592840, 13185680]

約数ペア:

[(1, 13185680), (2, 6592840), (4, 3296420), (5, 2637136), (8, 1648210), (10, 1318568), (16, 824105), (20, 659284), (40, 329642), (80, 164821)]