80244880

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23327}}^1$

素因数の和:23383

約数の個数: 40

約数和(自身を含む): 190916352

約数和(自身を除く): 110671472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 23327, 46654, 93308, 116635, 186616, 233270, 373232, 466540, 933080, 1003061, 1866160, 2006122, 4012244, 5015305, 8024488, 10030610, 16048976, 20061220, 40122440, 80244880]

約数ペア:

[(1, 80244880), (2, 40122440), (4, 20061220), (5, 16048976), (8, 10030610), (10, 8024488), (16, 5015305), (20, 4012244), (40, 2006122), (43, 1866160), (80, 1003061), (86, 933080), (172, 466540), (215, 373232), (344, 233270), (430, 186616), (688, 116635), (860, 93308), (1720, 46654), (3440, 23327)]