8988920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13219}}^1$

素因数の和:13247

約数の個数: 32

約数和(自身を含む): 21416400

約数和(自身を除く): 12427480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 13219, 26438, 52876, 66095, 105752, 132190, 224723, 264380, 449446, 528760, 898892, 1123615, 1797784, 2247230, 4494460, 8988920]

約数ペア:

[(1, 8988920), (2, 4494460), (4, 2247230), (5, 1797784), (8, 1123615), (10, 898892), (17, 528760), (20, 449446), (34, 264380), (40, 224723), (68, 132190), (85, 105752), (136, 66095), (170, 52876), (340, 26438), (680, 13219)]