89266640

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:504

約数の個数: 80

約数和(自身を含む): 217285200

約数和(自身を除く): 128018560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 109, 116, 145, 218, 232, 290, 353, 436, 464, 545, 580, 706, 872, 1090, 1160, 1412, 1744, 1765, 2180, 2320, 2824, 3161, 3530, 4360, 5648, 6322, 7060, 8720, 10237, 12644, 14120, 15805, 20474, 25288, 28240, 31610, 38477, 40948, 50576, 51185, 63220, 76954, 81896, 102370, 126440, 153908, 163792, 192385, 204740, 252880, 307816, 384770, 409480, 615632, 769540, 818960, 1115833, 1539080, 2231666, 3078160, 4463332, 5579165, 8926664, 11158330, 17853328, 22316660, 44633320, 89266640]

約数ペア:

[(1, 89266640), (2, 44633320), (4, 22316660), (5, 17853328), (8, 11158330), (10, 8926664), (16, 5579165), (20, 4463332), (29, 3078160), (40, 2231666), (58, 1539080), (80, 1115833), (109, 818960), (116, 769540), (145, 615632), (218, 409480), (232, 384770), (290, 307816), (353, 252880), (436, 204740), (464, 192385), (545, 163792), (580, 153908), (706, 126440), (872, 102370), (1090, 81896), (1160, 76954), (1412, 63220), (1744, 51185), (1765, 50576), (2180, 40948), (2320, 38477), (2824, 31610), (3161, 28240), (3530, 25288), (4360, 20474), (5648, 15805), (6322, 14120), (7060, 12644), (8720, 10237)]