86620520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{309359}}^1$

素因数の和:309377

約数の個数: 32

約数和(自身を含む): 222739200

約数和(自身を除く): 136118680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 309359, 618718, 1237436, 1546795, 2165513, 2474872, 3093590, 4331026, 6187180, 8662052, 10827565, 12374360, 17324104, 21655130, 43310260, 86620520]

約数ペア:

[(1, 86620520), (2, 43310260), (4, 21655130), (5, 17324104), (7, 12374360), (8, 10827565), (10, 8662052), (14, 6187180), (20, 4331026), (28, 3093590), (35, 2474872), (40, 2165513), (56, 1546795), (70, 1237436), (140, 618718), (280, 309359)]