264535640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389023}}^1$

素因数の和:389051

約数の個数: 32

約数和(自身を含む): 630218880

約数和(自身を除く): 365683240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 389023, 778046, 1556092, 1945115, 3112184, 3890230, 6613391, 7780460, 13226782, 15560920, 26453564, 33066955, 52907128, 66133910, 132267820, 264535640]

約数ペア:

[(1, 264535640), (2, 132267820), (4, 66133910), (5, 52907128), (8, 33066955), (10, 26453564), (17, 15560920), (20, 13226782), (34, 7780460), (40, 6613391), (68, 3890230), (85, 3112184), (136, 1945115), (170, 1556092), (340, 778046), (680, 389023)]