161665433080

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{21160397}}^1$

素因数の和:21160599

約数の個数: 32

約数和(自身を含む): 365651677440

約数和(自身を除く): 203986244360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 21160397, 42320794, 84641588, 105801985, 169283176, 211603970, 423207940, 846415880, 4041635827, 8083271654, 16166543308, 20208179135, 32333086616, 40416358270, 80832716540, 161665433080]

約数ペア:

[(1, 161665433080), (2, 80832716540), (4, 40416358270), (5, 32333086616), (8, 20208179135), (10, 16166543308), (20, 8083271654), (40, 4041635827), (191, 846415880), (382, 423207940), (764, 211603970), (955, 169283176), (1528, 105801985), (1910, 84641588), (3820, 42320794), (7640, 21160397)]