85788580

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{12959}}^1$

素因数の和:13299

約数の個数: 24

約数和(自身を含む): 180714240

約数和(自身を除く): 94925660

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 12959, 25918, 51836, 64795, 129590, 259180, 4289429, 8578858, 17157716, 21447145, 42894290, 85788580]

約数ペア:

[(1, 85788580), (2, 42894290), (4, 21447145), (5, 17157716), (10, 8578858), (20, 4289429), (331, 259180), (662, 129590), (1324, 64795), (1655, 51836), (3310, 25918), (6620, 12959)]