51345880

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{14423}}^1$

素因数の和:14523

約数の個数: 32

約数和(自身を含む): 116834400

約数和(自身を除く): 65488520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 14423, 28846, 57692, 72115, 115384, 144230, 288460, 576920, 1283647, 2567294, 5134588, 6418235, 10269176, 12836470, 25672940, 51345880]

約数ペア:

[(1, 51345880), (2, 25672940), (4, 12836470), (5, 10269176), (8, 6418235), (10, 5134588), (20, 2567294), (40, 1283647), (89, 576920), (178, 288460), (356, 144230), (445, 115384), (712, 72115), (890, 57692), (1780, 28846), (3560, 14423)]