400794224

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{39079}}^1$

素因数の和:39728

約数の個数: 20

約数和(自身を含む): 777770160

約数和(自身を除く): 376975936

約数列:

[1, 2, 4, 8, 16, 641, 1282, 2564, 5128, 10256, 39079, 78158, 156316, 312632, 625264, 25049639, 50099278, 100198556, 200397112, 400794224]

約数ペア:

[(1, 400794224), (2, 200397112), (4, 100198556), (8, 50099278), (16, 25049639), (641, 625264), (1282, 312632), (2564, 156316), (5128, 78158), (10256, 39079)]