11477780

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{887}}^1$

素因数の和:1543

約数の個数: 24

約数和(自身を含む): 24167808

約数和(自身を除く): 12690028

約数列:

[1, 2, 4, 5, 10, 20, 647, 887, 1294, 1774, 2588, 3235, 3548, 4435, 6470, 8870, 12940, 17740, 573889, 1147778, 2295556, 2869445, 5738890, 11477780]

約数ペア:

[(1, 11477780), (2, 5738890), (4, 2869445), (5, 2295556), (10, 1147778), (20, 573889), (647, 17740), (887, 12940), (1294, 8870), (1774, 6470), (2588, 4435), (3235, 3548)]