2644353340

素因数分解:

$2^2\times 5^1\times {\mathrm{132217667}}^1$

素因数の和:132217676

約数の個数: 12

約数和(自身を含む): 5553142056

約数和(自身を除く): 2908788716

約数列:

[1, 2, 4, 5, 10, 20, 132217667, 264435334, 528870668, 661088335, 1322176670, 2644353340]

約数ペア:

[(1, 2644353340), (2, 1322176670), (4, 661088335), (5, 528870668), (10, 264435334), (20, 132217667)]