520068880

素因数分解:

$2^4\times 5^1\times {\mathrm{6500861}}^1$

素因数の和:6500874

約数の個数: 20

約数和(自身を含む): 1209160332

約数和(自身を除く): 689091452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6500861, 13001722, 26003444, 32504305, 52006888, 65008610, 104013776, 130017220, 260034440, 520068880]

約数ペア:

[(1, 520068880), (2, 260034440), (4, 130017220), (5, 104013776), (8, 65008610), (10, 52006888), (16, 32504305), (20, 26003444), (40, 13001722), (80, 6500861)]