87217180

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{33289}}^1$

素因数の和:33429

約数の個数: 24

約数和(自身を含む): 184559760

約数和(自身を除く): 97342580

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 33289, 66578, 133156, 166445, 332890, 665780, 4360859, 8721718, 17443436, 21804295, 43608590, 87217180]

約数ペア:

[(1, 87217180), (2, 43608590), (4, 21804295), (5, 17443436), (10, 8721718), (20, 4360859), (131, 665780), (262, 332890), (524, 166445), (655, 133156), (1310, 66578), (2620, 33289)]