11286940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{80621}}^1$

素因数の和:80637

約数の個数: 24

約数和(自身を含む): 27088992

約数和(自身を除く): 15802052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 80621, 161242, 322484, 403105, 564347, 806210, 1128694, 1612420, 2257388, 2821735, 5643470, 11286940]

約数ペア:

[(1, 11286940), (2, 5643470), (4, 2821735), (5, 2257388), (7, 1612420), (10, 1128694), (14, 806210), (20, 564347), (28, 403105), (35, 322484), (70, 161242), (140, 80621)]