87705080

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{5233}}^1$

素因数の和:5663

約数の個数: 32

約数和(自身を含む): 197845200

約数和(自身を除く): 110140120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 5233, 8380, 10466, 16760, 20932, 26165, 41864, 52330, 104660, 209320, 2192627, 4385254, 8770508, 10963135, 17541016, 21926270, 43852540, 87705080]

約数ペア:

[(1, 87705080), (2, 43852540), (4, 21926270), (5, 17541016), (8, 10963135), (10, 8770508), (20, 4385254), (40, 2192627), (419, 209320), (838, 104660), (1676, 52330), (2095, 41864), (3352, 26165), (4190, 20932), (5233, 16760), (8380, 10466)]