16400705

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5569}}^1$

素因数の和:5624

約数の個数: 16

約数和(自身を含む): 21388800

約数和(自身を除く): 4988095

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 5569, 27845, 105811, 172639, 529055, 863195, 3280141, 16400705]

約数ペア:

[(1, 16400705), (5, 3280141), (19, 863195), (31, 529055), (95, 172639), (155, 105811), (589, 27845), (2945, 5569)]