55075760

素因数分解:

$2^4\times 5^1\times {\mathrm{688447}}^1$

素因数の和:688460

約数の個数: 20

約数和(自身を含む): 128051328

約数和(自身を除く): 72975568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 688447, 1376894, 2753788, 3442235, 5507576, 6884470, 11015152, 13768940, 27537880, 55075760]

約数ペア:

[(1, 55075760), (2, 27537880), (4, 13768940), (5, 11015152), (8, 6884470), (10, 5507576), (16, 3442235), (20, 2753788), (40, 1376894), (80, 688447)]