57356680

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{2237}}^1$

素因数の和:2889

約数の個数: 32

約数和(自身を含む): 129311640

約数和(自身を除く): 71954960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2237, 2564, 3205, 4474, 5128, 6410, 8948, 11185, 12820, 17896, 22370, 25640, 44740, 89480, 1433917, 2867834, 5735668, 7169585, 11471336, 14339170, 28678340, 57356680]

約数ペア:

[(1, 57356680), (2, 28678340), (4, 14339170), (5, 11471336), (8, 7169585), (10, 5735668), (20, 2867834), (40, 1433917), (641, 89480), (1282, 44740), (2237, 25640), (2564, 22370), (3205, 17896), (4474, 12820), (5128, 11185), (6410, 8948)]