2144417680

素因数分解:

$2^4\times 5^1\times {\mathrm{26805221}}^1$

素因数の和:26805234

約数の個数: 20

約数和(自身を含む): 4985771292

約数和(自身を除く): 2841353612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26805221, 53610442, 107220884, 134026105, 214441768, 268052210, 428883536, 536104420, 1072208840, 2144417680]

約数ペア:

[(1, 2144417680), (2, 1072208840), (4, 536104420), (5, 428883536), (8, 268052210), (10, 214441768), (16, 134026105), (20, 107220884), (40, 53610442), (80, 26805221)]