128210690

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{312709}}^1$

素因数の和:312757

約数の個数: 16

約数和(自身を含む): 236408760

約数和(自身を除く): 108198070

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 312709, 625418, 1563545, 3127090, 12821069, 25642138, 64105345, 128210690]

約数ペア:

[(1, 128210690), (2, 64105345), (5, 25642138), (10, 12821069), (41, 3127090), (82, 1563545), (205, 625418), (410, 312709)]