31464880

素因数分解:

$2^4\times 5^1\times {\mathrm{393311}}^1$

素因数の和:393324

約数の個数: 20

約数和(自身を含む): 73156032

約数和(自身を除く): 41691152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 393311, 786622, 1573244, 1966555, 3146488, 3933110, 6292976, 7866220, 15732440, 31464880]

約数ペア:

[(1, 31464880), (2, 15732440), (4, 7866220), (5, 6292976), (8, 3933110), (10, 3146488), (16, 1966555), (20, 1573244), (40, 786622), (80, 393311)]