248889228680

素因数分解:

$2^3\times 5^1\times {\mathrm{187909}}^1\times {\mathrm{33113}}^1$

素因数の和:221033

約数の個数: 32

約数和(自身を含む): 560020656600

約数和(自身を除く): 311131427920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 33113, 66226, 132452, 165565, 187909, 264904, 331130, 375818, 662260, 751636, 939545, 1324520, 1503272, 1879090, 3758180, 7516360, 6222230717, 12444461434, 24888922868, 31111153585, 49777845736, 62222307170, 124444614340, 248889228680]

約数ペア:

[(1, 248889228680), (2, 124444614340), (4, 62222307170), (5, 49777845736), (8, 31111153585), (10, 24888922868), (20, 12444461434), (40, 6222230717), (33113, 7516360), (66226, 3758180), (132452, 1879090), (165565, 1503272), (187909, 1324520), (264904, 939545), (331130, 751636), (375818, 662260)]