16391390

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{39979}}^1$

素因数の和:40027

約数の個数: 16

約数和(自身を含む): 30224880

約数和(自身を除く): 13833490

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 39979, 79958, 199895, 399790, 1639139, 3278278, 8195695, 16391390]

約数ペア:

[(1, 16391390), (2, 8195695), (5, 3278278), (10, 1639139), (41, 399790), (82, 199895), (205, 79958), (410, 39979)]