87056660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{256049}}^1$

素因数の和:256075

約数の個数: 24

約数和(自身を含む): 193573800

約数和(自身を除く): 106517140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 256049, 512098, 1024196, 1280245, 2560490, 4352833, 5120980, 8705666, 17411332, 21764165, 43528330, 87056660]

約数ペア:

[(1, 87056660), (2, 43528330), (4, 21764165), (5, 17411332), (10, 8705666), (17, 5120980), (20, 4352833), (34, 2560490), (68, 1280245), (85, 1024196), (170, 512098), (340, 256049)]