2487280

素因数分解:

$2^4\times 5^1\times {\mathrm{31091}}^1$

素因数の和:31104

約数の個数: 20

約数和(自身を含む): 5783112

約数和(自身を除く): 3295832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 31091, 62182, 124364, 155455, 248728, 310910, 497456, 621820, 1243640, 2487280]

約数ペア:

[(1, 2487280), (2, 1243640), (4, 621820), (5, 497456), (8, 310910), (10, 248728), (16, 155455), (20, 124364), (40, 62182), (80, 31091)]