67040

素因数分解:

$2^5\times 5^1\times {\mathrm{419}}^1$

素因数の和:434

約数の個数: 24

約数和(自身を含む): 158760

約数和(自身を除く): 91720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 419, 838, 1676, 2095, 3352, 4190, 6704, 8380, 13408, 16760, 33520, 67040]

約数ペア:

[(1, 67040), (2, 33520), (4, 16760), (5, 13408), (8, 8380), (10, 6704), (16, 4190), (20, 3352), (32, 2095), (40, 1676), (80, 838), (160, 419)]