86516140

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{81619}}^1$

素因数の和:81681

約数の個数: 24

約数和(自身を含む): 185114160

約数和(自身を除く): 98598020

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 81619, 163238, 326476, 408095, 816190, 1632380, 4325807, 8651614, 17303228, 21629035, 43258070, 86516140]

約数ペア:

[(1, 86516140), (2, 43258070), (4, 21629035), (5, 17303228), (10, 8651614), (20, 4325807), (53, 1632380), (106, 816190), (212, 408095), (265, 326476), (530, 163238), (1060, 81619)]