128210990

素因数分解:

$2^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{15809}}^1$

素因数の和:16627

約数の個数: 16

約数和(自身を含む): 231078960

約数和(自身を除く): 102867970

約数列:

[1, 2, 5, 10, 811, 1622, 4055, 8110, 15809, 31618, 79045, 158090, 12821099, 25642198, 64105495, 128210990]

約数ペア:

[(1, 128210990), (2, 64105495), (5, 25642198), (10, 12821099), (811, 158090), (1622, 79045), (4055, 31618), (8110, 15809)]