440560

素因数分解:

$2^4\times 5^1\times {\mathrm{5507}}^1$

素因数の和:5520

約数の個数: 20

約数和(自身を含む): 1024488

約数和(自身を除く): 583928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5507, 11014, 22028, 27535, 44056, 55070, 88112, 110140, 220280, 440560]

約数ペア:

[(1, 440560), (2, 220280), (4, 110140), (5, 88112), (8, 55070), (10, 44056), (16, 27535), (20, 22028), (40, 11014), (80, 5507)]