109810

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 16

約数和(自身を含む): 201600

約数和(自身を除く): 91790

約数列:

[1, 2, 5, 10, 79, 139, 158, 278, 395, 695, 790, 1390, 10981, 21962, 54905, 109810]

約数ペア:

[(1, 109810), (2, 54905), (5, 21962), (10, 10981), (79, 1390), (139, 790), (158, 695), (278, 395)]