66105040

素因数分解:

$2^4\times 5^1\times {\mathrm{826313}}^1$

素因数の和:826326

約数の個数: 20

約数和(自身を含む): 153694404

約数和(自身を除く): 87589364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 826313, 1652626, 3305252, 4131565, 6610504, 8263130, 13221008, 16526260, 33052520, 66105040]

約数ペア:

[(1, 66105040), (2, 33052520), (4, 16526260), (5, 13221008), (8, 8263130), (10, 6610504), (16, 4131565), (20, 3305252), (40, 1652626), (80, 826313)]