2181560

素因数分解:

$2^3\times 5^1\times {\mathrm{54539}}^1$

素因数の和:54550

約数の個数: 16

約数和(自身を含む): 4908600

約数和(自身を除く): 2727040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 54539, 109078, 218156, 272695, 436312, 545390, 1090780, 2181560]

約数ペア:

[(1, 2181560), (2, 1090780), (4, 545390), (5, 436312), (8, 272695), (10, 218156), (20, 109078), (40, 54539)]