144423920

素因数分解:

$2^4\times 5^1\times {\mathrm{1805299}}^1$

素因数の和:1805312

約数の個数: 20

約数和(自身を含む): 335785800

約数和(自身を除く): 191361880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1805299, 3610598, 7221196, 9026495, 14442392, 18052990, 28884784, 36105980, 72211960, 144423920]

約数ペア:

[(1, 144423920), (2, 72211960), (4, 36105980), (5, 28884784), (8, 18052990), (10, 14442392), (16, 9026495), (20, 7221196), (40, 3610598), (80, 1805299)]