67040440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{38977}}^1$

素因数の和:39031

約数の個数: 32

約数和(自身を含む): 154352880

約数和(自身を除く): 87312440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 38977, 77954, 155908, 194885, 311816, 389770, 779540, 1559080, 1676011, 3352022, 6704044, 8380055, 13408088, 16760110, 33520220, 67040440]

約数ペア:

[(1, 67040440), (2, 33520220), (4, 16760110), (5, 13408088), (8, 8380055), (10, 6704044), (20, 3352022), (40, 1676011), (43, 1559080), (86, 779540), (172, 389770), (215, 311816), (344, 194885), (430, 155908), (860, 77954), (1720, 38977)]