31366660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{120641}}^1$

素因数の和:120663

約数の個数: 24

約数和(自身を含む): 70937496

約数和(自身を除く): 39570836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 120641, 241282, 482564, 603205, 1206410, 1568333, 2412820, 3136666, 6273332, 7841665, 15683330, 31366660]

約数ペア:

[(1, 31366660), (2, 15683330), (4, 7841665), (5, 6273332), (10, 3136666), (13, 2412820), (20, 1568333), (26, 1206410), (52, 603205), (65, 482564), (130, 241282), (260, 120641)]