674097680

素因数分解:

$2^4\times 5^1\times {\mathrm{8426221}}^1$

素因数の和:8426234

約数の個数: 20

約数和(自身を含む): 1567277292

約数和(自身を除く): 893179612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8426221, 16852442, 33704884, 42131105, 67409768, 84262210, 134819536, 168524420, 337048840, 674097680]

約数ペア:

[(1, 674097680), (2, 337048840), (4, 168524420), (5, 134819536), (8, 84262210), (10, 67409768), (16, 42131105), (20, 33704884), (40, 16852442), (80, 8426221)]