2012173880

素因数分解:

$2^3\times 5^1\times {\mathrm{2351}}^1\times {\mathrm{21397}}^1$

素因数の和:23759

約数の個数: 32

約数和(自身を含む): 4529528640

約数和(自身を除く): 2517354760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2351, 4702, 9404, 11755, 18808, 21397, 23510, 42794, 47020, 85588, 94040, 106985, 171176, 213970, 427940, 855880, 50304347, 100608694, 201217388, 251521735, 402434776, 503043470, 1006086940, 2012173880]

約数ペア:

[(1, 2012173880), (2, 1006086940), (4, 503043470), (5, 402434776), (8, 251521735), (10, 201217388), (20, 100608694), (40, 50304347), (2351, 855880), (4702, 427940), (9404, 213970), (11755, 171176), (18808, 106985), (21397, 94040), (23510, 85588), (42794, 47020)]