2129780

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1283}}^1$

素因数の和:1375

約数の個数: 24

約数和(自身を含む): 4529952

約数和(自身を除く): 2400172

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1283, 1660, 2566, 5132, 6415, 12830, 25660, 106489, 212978, 425956, 532445, 1064890, 2129780]

約数ペア:

[(1, 2129780), (2, 1064890), (4, 532445), (5, 425956), (10, 212978), (20, 106489), (83, 25660), (166, 12830), (332, 6415), (415, 5132), (830, 2566), (1283, 1660)]