85855752040

素因数分解:

$2^3\times 5^1\times {\mathrm{2161}}^1\times {\mathrm{993241}}^1$

素因数の和:995413

約数の個数: 32

約数和(自身を含む): 193265028360

約数和(自身を除く): 107409276320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2161, 4322, 8644, 10805, 17288, 21610, 43220, 86440, 993241, 1986482, 3972964, 4966205, 7945928, 9932410, 19864820, 39729640, 2146393801, 4292787602, 8585575204, 10731969005, 17171150408, 21463938010, 42927876020, 85855752040]

約数ペア:

[(1, 85855752040), (2, 42927876020), (4, 21463938010), (5, 17171150408), (8, 10731969005), (10, 8585575204), (20, 4292787602), (40, 2146393801), (2161, 39729640), (4322, 19864820), (8644, 9932410), (10805, 7945928), (17288, 4966205), (21610, 3972964), (43220, 1986482), (86440, 993241)]