67440940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{481721}}^1$

素因数の和:481737

約数の個数: 24

約数和(自身を含む): 161858592

約数和(自身を除く): 94417652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 481721, 963442, 1926884, 2408605, 3372047, 4817210, 6744094, 9634420, 13488188, 16860235, 33720470, 67440940]

約数ペア:

[(1, 67440940), (2, 33720470), (4, 16860235), (5, 13488188), (7, 9634420), (10, 6744094), (14, 4817210), (20, 3372047), (28, 2408605), (35, 1926884), (70, 963442), (140, 481721)]