90414770

素因数分解:

$2^1\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{4523}}^1$

素因数の和:6529

約数の個数: 16

約数和(自身を含む): 162864000

約数和(自身を除く): 72449230

約数列:

[1, 2, 5, 10, 1999, 3998, 4523, 9046, 9995, 19990, 22615, 45230, 9041477, 18082954, 45207385, 90414770]

約数ペア:

[(1, 90414770), (2, 45207385), (5, 18082954), (10, 9041477), (1999, 45230), (3998, 22615), (4523, 19990), (9046, 9995)]