13308028180

素因数分解:

$2^2\times 5^1\times {\mathrm{665401409}}^1$

素因数の和:665401418

約数の個数: 12

約数和(自身を含む): 27946859220

約数和(自身を除く): 14638831040

約数列:

[1, 2, 4, 5, 10, 20, 665401409, 1330802818, 2661605636, 3327007045, 6654014090, 13308028180]

約数ペア:

[(1, 13308028180), (2, 6654014090), (4, 3327007045), (5, 2661605636), (10, 1330802818), (20, 665401409)]