266945011640

素因数分解:

$2^3\times 5^1\times {\mathrm{6673625291}}^1$

素因数の和:6673625302

約数の個数: 16

約数和(自身を含む): 600626276280

約数和(自身を除く): 333681264640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6673625291, 13347250582, 26694501164, 33368126455, 53389002328, 66736252910, 133472505820, 266945011640]

約数ペア:

[(1, 266945011640), (2, 133472505820), (4, 66736252910), (5, 53389002328), (8, 33368126455), (10, 26694501164), (20, 13347250582), (40, 6673625291)]