6485680

素因数分解:

$2^4\times 5^1\times {\mathrm{81071}}^1$

素因数の和:81084

約数の個数: 20

約数和(自身を含む): 15079392

約数和(自身を除く): 8593712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 81071, 162142, 324284, 405355, 648568, 810710, 1297136, 1621420, 3242840, 6485680]

約数ペア:

[(1, 6485680), (2, 3242840), (4, 1621420), (5, 1297136), (8, 810710), (10, 648568), (16, 405355), (20, 324284), (40, 162142), (80, 81071)]