2123140

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1279}}^1$

素因数の和:1371

約数の個数: 24

約数和(自身を含む): 4515840

約数和(自身を除く): 2392700

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1279, 1660, 2558, 5116, 6395, 12790, 25580, 106157, 212314, 424628, 530785, 1061570, 2123140]

約数ペア:

[(1, 2123140), (2, 1061570), (4, 530785), (5, 424628), (10, 212314), (20, 106157), (83, 25580), (166, 12790), (332, 6395), (415, 5116), (830, 2558), (1279, 1660)]