48786140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{187639}}^1$

素因数の和:187661

約数の個数: 24

約数和(自身を含む): 110332320

約数和(自身を除く): 61546180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 187639, 375278, 750556, 938195, 1876390, 2439307, 3752780, 4878614, 9757228, 12196535, 24393070, 48786140]

約数ペア:

[(1, 48786140), (2, 24393070), (4, 12196535), (5, 9757228), (10, 4878614), (13, 3752780), (20, 2439307), (26, 1876390), (52, 938195), (65, 750556), (130, 375278), (260, 187639)]