210820

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 451584

約数和(自身を除く): 240764

約数列:

[1, 2, 4, 5, 10, 20, 83, 127, 166, 254, 332, 415, 508, 635, 830, 1270, 1660, 2540, 10541, 21082, 42164, 52705, 105410, 210820]

約数ペア:

[(1, 210820), (2, 105410), (4, 52705), (5, 42164), (10, 21082), (20, 10541), (83, 2540), (127, 1660), (166, 1270), (254, 830), (332, 635), (415, 508)]