16401663370

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{40004057}}^1$

素因数の和:40004105

約数の個数: 16

約数和(自身を含む): 30243067848

約数和(自身を除く): 13841404478

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 40004057, 80008114, 200020285, 400040570, 1640166337, 3280332674, 8200831685, 16401663370]

約数ペア:

[(1, 16401663370), (2, 8200831685), (5, 3280332674), (10, 1640166337), (41, 400040570), (82, 200020285), (205, 80008114), (410, 40004057)]