8384840

素因数分解:

$2^3\times 5^1\times {\mathrm{209621}}^1$

素因数の和:209632

約数の個数: 16

約数和(自身を含む): 18865980

約数和(自身を除く): 10481140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 209621, 419242, 838484, 1048105, 1676968, 2096210, 4192420, 8384840]

約数ペア:

[(1, 8384840), (2, 4192420), (4, 2096210), (5, 1676968), (8, 1048105), (10, 838484), (20, 419242), (40, 209621)]