66325040

素因数分解:

$2^4\times 5^1\times {\mathrm{829063}}^1$

素因数の和:829076

約数の個数: 20

約数和(自身を含む): 154205904

約数和(自身を除く): 87880864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 829063, 1658126, 3316252, 4145315, 6632504, 8290630, 13265008, 16581260, 33162520, 66325040]

約数ペア:

[(1, 66325040), (2, 33162520), (4, 16581260), (5, 13265008), (8, 8290630), (10, 6632504), (16, 4145315), (20, 3316252), (40, 1658126), (80, 829063)]