66415880

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{15233}}^1$

素因数の和:15353

約数の個数: 32

約数和(自身を含む): 150816600

約数和(自身を除く): 84400720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 15233, 30466, 60932, 76165, 121864, 152330, 304660, 609320, 1660397, 3320794, 6641588, 8301985, 13283176, 16603970, 33207940, 66415880]

約数ペア:

[(1, 66415880), (2, 33207940), (4, 16603970), (5, 13283176), (8, 8301985), (10, 6641588), (20, 3320794), (40, 1660397), (109, 609320), (218, 304660), (436, 152330), (545, 121864), (872, 76165), (1090, 60932), (2180, 30466), (4360, 15233)]