72639500

素因数分解:

$2^2\times 5^3\times {\mathrm{131}}^1\times {\mathrm{1109}}^1$

素因数の和:1259

約数の個数: 48

約数和(自身を含む): 159999840

約数和(自身を除く): 87360340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 131, 250, 262, 500, 524, 655, 1109, 1310, 2218, 2620, 3275, 4436, 5545, 6550, 11090, 13100, 16375, 22180, 27725, 32750, 55450, 65500, 110900, 138625, 145279, 277250, 290558, 554500, 581116, 726395, 1452790, 2905580, 3631975, 7263950, 14527900, 18159875, 36319750, 72639500]

約数ペア:

[(1, 72639500), (2, 36319750), (4, 18159875), (5, 14527900), (10, 7263950), (20, 3631975), (25, 2905580), (50, 1452790), (100, 726395), (125, 581116), (131, 554500), (250, 290558), (262, 277250), (500, 145279), (524, 138625), (655, 110900), (1109, 65500), (1310, 55450), (2218, 32750), (2620, 27725), (3275, 22180), (4436, 16375), (5545, 13100), (6550, 11090)]