143840240

素因数分解:

$2^4\times 5^1\times {\mathrm{1798003}}^1$

素因数の和:1798016

約数の個数: 20

約数和(自身を含む): 334428744

約数和(自身を除く): 190588504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1798003, 3596006, 7192012, 8990015, 14384024, 17980030, 28768048, 35960060, 71920120, 143840240]

約数ペア:

[(1, 143840240), (2, 71920120), (4, 35960060), (5, 28768048), (8, 17980030), (10, 14384024), (16, 8990015), (20, 7192012), (40, 3596006), (80, 1798003)]