13490480

素因数分解:

$2^4\times 5^1\times {\mathrm{168631}}^1$

素因数の和:168644

約数の個数: 20

約数和(自身を含む): 31365552

約数和(自身を除く): 17875072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 168631, 337262, 674524, 843155, 1349048, 1686310, 2698096, 3372620, 6745240, 13490480]

約数ペア:

[(1, 13490480), (2, 6745240), (4, 3372620), (5, 2698096), (8, 1686310), (10, 1349048), (16, 843155), (20, 674524), (40, 337262), (80, 168631)]