87596920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{128819}}^1$

素因数の和:128847

約数の個数: 32

約数和(自身を含む): 208688400

約数和(自身を除く): 121091480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 128819, 257638, 515276, 644095, 1030552, 1288190, 2189923, 2576380, 4379846, 5152760, 8759692, 10949615, 17519384, 21899230, 43798460, 87596920]

約数ペア:

[(1, 87596920), (2, 43798460), (4, 21899230), (5, 17519384), (8, 10949615), (10, 8759692), (17, 5152760), (20, 4379846), (34, 2576380), (40, 2189923), (68, 1288190), (85, 1030552), (136, 644095), (170, 515276), (340, 257638), (680, 128819)]