66003880

素因数分解:

$2^3\times 5^1\times {\mathrm{1650097}}^1$

素因数の和:1650108

約数の個数: 16

約数和(自身を含む): 148508820

約数和(自身を除く): 82504940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1650097, 3300194, 6600388, 8250485, 13200776, 16500970, 33001940, 66003880]

約数ペア:

[(1, 66003880), (2, 33001940), (4, 16500970), (5, 13200776), (8, 8250485), (10, 6600388), (20, 3300194), (40, 1650097)]