12756940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{91121}}^1$

素因数の和:91137

約数の個数: 24

約数和(自身を含む): 30616992

約数和(自身を除く): 17860052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 91121, 182242, 364484, 455605, 637847, 911210, 1275694, 1822420, 2551388, 3189235, 6378470, 12756940]

約数ペア:

[(1, 12756940), (2, 6378470), (4, 3189235), (5, 2551388), (7, 1822420), (10, 1275694), (14, 911210), (20, 637847), (28, 455605), (35, 364484), (70, 182242), (140, 91121)]