87036140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{439}}^1$

素因数の和:902

約数の個数: 48

約数和(自身を含む): 191600640

約数和(自身を除く): 104564500

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 431, 439, 460, 862, 878, 1724, 1756, 2155, 2195, 4310, 4390, 8620, 8780, 9913, 10097, 19826, 20194, 39652, 40388, 49565, 50485, 99130, 100970, 189209, 198260, 201940, 378418, 756836, 946045, 1892090, 3784180, 4351807, 8703614, 17407228, 21759035, 43518070, 87036140]

約数ペア:

[(1, 87036140), (2, 43518070), (4, 21759035), (5, 17407228), (10, 8703614), (20, 4351807), (23, 3784180), (46, 1892090), (92, 946045), (115, 756836), (230, 378418), (431, 201940), (439, 198260), (460, 189209), (862, 100970), (878, 99130), (1724, 50485), (1756, 49565), (2155, 40388), (2195, 39652), (4310, 20194), (4390, 19826), (8620, 10097), (8780, 9913)]