56894140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{31963}}^1$

素因数の和:32061

約数の個数: 24

約数和(自身を含む): 120823920

約数和(自身を除く): 63929780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 31963, 63926, 127852, 159815, 319630, 639260, 2844707, 5689414, 11378828, 14223535, 28447070, 56894140]

約数ペア:

[(1, 56894140), (2, 28447070), (4, 14223535), (5, 11378828), (10, 5689414), (20, 2844707), (89, 639260), (178, 319630), (356, 159815), (445, 127852), (890, 63926), (1780, 31963)]