20161651490

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4441}}^1\times {\mathrm{5101}}^1$

素因数の和:9638

約数の個数: 32

約数和(自身を含む): 36714196080

約数和(自身を除く): 16552544590

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 4441, 5101, 8882, 10202, 22205, 25505, 44410, 51010, 395249, 453989, 790498, 907978, 1976245, 2269945, 3952490, 4539890, 22653541, 45307082, 113267705, 226535410, 2016165149, 4032330298, 10080825745, 20161651490]

約数ペア:

[(1, 20161651490), (2, 10080825745), (5, 4032330298), (10, 2016165149), (89, 226535410), (178, 113267705), (445, 45307082), (890, 22653541), (4441, 4539890), (5101, 3952490), (8882, 2269945), (10202, 1976245), (22205, 907978), (25505, 790498), (44410, 453989), (51010, 395249)]