65231660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2819}}^1$

素因数の和:2930

約数の個数: 48

約数和(自身を含む): 149234400

約数和(自身を除く): 84002740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1780, 2314, 2819, 4628, 5638, 5785, 11276, 11570, 14095, 23140, 28190, 36647, 56380, 73294, 146588, 183235, 250891, 366470, 501782, 732940, 1003564, 1254455, 2508910, 3261583, 5017820, 6523166, 13046332, 16307915, 32615830, 65231660]

約数ペア:

[(1, 65231660), (2, 32615830), (4, 16307915), (5, 13046332), (10, 6523166), (13, 5017820), (20, 3261583), (26, 2508910), (52, 1254455), (65, 1003564), (89, 732940), (130, 501782), (178, 366470), (260, 250891), (356, 183235), (445, 146588), (890, 73294), (1157, 56380), (1780, 36647), (2314, 28190), (2819, 23140), (4628, 14095), (5638, 11570), (5785, 11276)]