20100790

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{14461}}^1$

素因数の和:14607

約数の個数: 16

約数和(自身を含む): 36444240

約数和(自身を除く): 16343450

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 14461, 28922, 72305, 144610, 2010079, 4020158, 10050395, 20100790]

約数ペア:

[(1, 20100790), (2, 10050395), (5, 4020158), (10, 2010079), (139, 144610), (278, 72305), (695, 28922), (1390, 14461)]