13746940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7723}}^1$

素因数の和:7821

約数の個数: 24

約数和(自身を含む): 29196720

約数和(自身を除く): 15449780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 7723, 15446, 30892, 38615, 77230, 154460, 687347, 1374694, 2749388, 3436735, 6873470, 13746940]

約数ペア:

[(1, 13746940), (2, 6873470), (4, 3436735), (5, 2749388), (10, 1374694), (20, 687347), (89, 154460), (178, 77230), (356, 38615), (445, 30892), (890, 15446), (1780, 7723)]