8440340

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{839}}^1$

素因数の和:1351

約数の個数: 24

約数和(自身を含む): 17781120

約数和(自身を除く): 9340780

約数列:

[1, 2, 4, 5, 10, 20, 503, 839, 1006, 1678, 2012, 2515, 3356, 4195, 5030, 8390, 10060, 16780, 422017, 844034, 1688068, 2110085, 4220170, 8440340]

約数ペア:

[(1, 8440340), (2, 4220170), (4, 2110085), (5, 1688068), (10, 844034), (20, 422017), (503, 16780), (839, 10060), (1006, 8390), (1678, 5030), (2012, 4195), (2515, 3356)]