9780520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10631}}^1$

素因数の和:10665

約数の個数: 32

約数和(自身を含む): 22965120

約数和(自身を除く): 13184600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 10631, 21262, 42524, 53155, 85048, 106310, 212620, 244513, 425240, 489026, 978052, 1222565, 1956104, 2445130, 4890260, 9780520]

約数ペア:

[(1, 9780520), (2, 4890260), (4, 2445130), (5, 1956104), (8, 1222565), (10, 978052), (20, 489026), (23, 425240), (40, 244513), (46, 212620), (92, 106310), (115, 85048), (184, 53155), (230, 42524), (460, 21262), (920, 10631)]