15556940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{111121}}^1$

素因数の和:111137

約数の個数: 24

約数和(自身を含む): 37336992

約数和(自身を除く): 21780052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 111121, 222242, 444484, 555605, 777847, 1111210, 1555694, 2222420, 3111388, 3889235, 7778470, 15556940]

約数ペア:

[(1, 15556940), (2, 7778470), (4, 3889235), (5, 3111388), (7, 2222420), (10, 1555694), (14, 1111210), (20, 777847), (28, 555605), (35, 444484), (70, 222242), (140, 111121)]