12616940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{90121}}^1$

素因数の和:90137

約数の個数: 24

約数和(自身を含む): 30280992

約数和(自身を除く): 17664052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 90121, 180242, 360484, 450605, 630847, 901210, 1261694, 1802420, 2523388, 3154235, 6308470, 12616940]

約数ペア:

[(1, 12616940), (2, 6308470), (4, 3154235), (5, 2523388), (7, 1802420), (10, 1261694), (14, 901210), (20, 630847), (28, 450605), (35, 360484), (70, 180242), (140, 90121)]