181005080

素因数分解:

$2^3\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{3623}}^1$

素因数の和:4883

約数の個数: 32

約数和(自身を含む): 407700000

約数和(自身を除く): 226694920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1249, 2498, 3623, 4996, 6245, 7246, 9992, 12490, 14492, 18115, 24980, 28984, 36230, 49960, 72460, 144920, 4525127, 9050254, 18100508, 22625635, 36201016, 45251270, 90502540, 181005080]

約数ペア:

[(1, 181005080), (2, 90502540), (4, 45251270), (5, 36201016), (8, 22625635), (10, 18100508), (20, 9050254), (40, 4525127), (1249, 144920), (2498, 72460), (3623, 49960), (4996, 36230), (6245, 28984), (7246, 24980), (9992, 18115), (12490, 14492)]