2641926890

素因数分解:

$2^1\times 5^1\times {\mathrm{4091}}^1\times {\mathrm{64579}}^1$

素因数の和:68677

約数の個数: 16

約数和(自身を含む): 4756704480

約数和(自身を除く): 2114777590

約数列:

[1, 2, 5, 10, 4091, 8182, 20455, 40910, 64579, 129158, 322895, 645790, 264192689, 528385378, 1320963445, 2641926890]

約数ペア:

[(1, 2641926890), (2, 1320963445), (5, 528385378), (10, 264192689), (4091, 645790), (8182, 322895), (20455, 129158), (40910, 64579)]