140640440

素因数分解:

$2^3\times 5^1\times {\mathrm{3516011}}^1$

素因数の和:3516022

約数の個数: 16

約数和(自身を含む): 316441080

約数和(自身を除く): 175800640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3516011, 7032022, 14064044, 17580055, 28128088, 35160110, 70320220, 140640440]

約数ペア:

[(1, 140640440), (2, 70320220), (4, 35160110), (5, 28128088), (8, 17580055), (10, 14064044), (20, 7032022), (40, 3516011)]