81639500

素因数分解:

$2^2\times 5^3\times {\mathrm{67}}^1\times {\mathrm{2437}}^1$

素因数の和:2523

約数の個数: 48

約数和(自身を含む): 181036128

約数和(自身を除く): 99396628

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 67, 100, 125, 134, 250, 268, 335, 500, 670, 1340, 1675, 2437, 3350, 4874, 6700, 8375, 9748, 12185, 16750, 24370, 33500, 48740, 60925, 121850, 163279, 243700, 304625, 326558, 609250, 653116, 816395, 1218500, 1632790, 3265580, 4081975, 8163950, 16327900, 20409875, 40819750, 81639500]

約数ペア:

[(1, 81639500), (2, 40819750), (4, 20409875), (5, 16327900), (10, 8163950), (20, 4081975), (25, 3265580), (50, 1632790), (67, 1218500), (100, 816395), (125, 653116), (134, 609250), (250, 326558), (268, 304625), (335, 243700), (500, 163279), (670, 121850), (1340, 60925), (1675, 48740), (2437, 33500), (3350, 24370), (4874, 16750), (6700, 12185), (8375, 9748)]