829593080

素因数分解:

$2^3\times 5^1\times {\mathrm{2557}}^1\times {\mathrm{8111}}^1$

素因数の和:10679

約数の個数: 32

約数和(自身を含む): 1867544640

約数和(自身を除く): 1037951560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2557, 5114, 8111, 10228, 12785, 16222, 20456, 25570, 32444, 40555, 51140, 64888, 81110, 102280, 162220, 324440, 20739827, 41479654, 82959308, 103699135, 165918616, 207398270, 414796540, 829593080]

約数ペア:

[(1, 829593080), (2, 414796540), (4, 207398270), (5, 165918616), (8, 103699135), (10, 82959308), (20, 41479654), (40, 20739827), (2557, 324440), (5114, 162220), (8111, 102280), (10228, 81110), (12785, 64888), (16222, 51140), (20456, 40555), (25570, 32444)]