47772220

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{13807}}^1$

素因数の和:13989

約数の個数: 24

約数和(自身を含む): 100908864

約数和(自身を除く): 53136644

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 13807, 27614, 55228, 69035, 138070, 276140, 2388611, 4777222, 9554444, 11943055, 23886110, 47772220]

約数ペア:

[(1, 47772220), (2, 23886110), (4, 11943055), (5, 9554444), (10, 4777222), (20, 2388611), (173, 276140), (346, 138070), (692, 69035), (865, 55228), (1730, 27614), (3460, 13807)]