53280440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{30977}}^1$

素因数の和:31031

約数の個数: 32

約数和(自身を含む): 122672880

約数和(自身を除く): 69392440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 30977, 61954, 123908, 154885, 247816, 309770, 619540, 1239080, 1332011, 2664022, 5328044, 6660055, 10656088, 13320110, 26640220, 53280440]

約数ペア:

[(1, 53280440), (2, 26640220), (4, 13320110), (5, 10656088), (8, 6660055), (10, 5328044), (20, 2664022), (40, 1332011), (43, 1239080), (86, 619540), (172, 309770), (215, 247816), (344, 154885), (430, 123908), (860, 61954), (1720, 30977)]