16885900

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{1289}}^1$

素因数の和:1434

約数の個数: 36

約数和(自身を含む): 36950760

約数和(自身を除く): 20064860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 655, 1289, 1310, 2578, 2620, 3275, 5156, 6445, 6550, 12890, 13100, 25780, 32225, 64450, 128900, 168859, 337718, 675436, 844295, 1688590, 3377180, 4221475, 8442950, 16885900]

約数ペア:

[(1, 16885900), (2, 8442950), (4, 4221475), (5, 3377180), (10, 1688590), (20, 844295), (25, 675436), (50, 337718), (100, 168859), (131, 128900), (262, 64450), (524, 32225), (655, 25780), (1289, 13100), (1310, 12890), (2578, 6550), (2620, 6445), (3275, 5156)]