255695120

素因数分解:

$2^4\times 5^1\times {\mathrm{3196189}}^1$

素因数の和:3196202

約数の個数: 20

約数和(自身を含む): 594491340

約数和(自身を除く): 338796220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3196189, 6392378, 12784756, 15980945, 25569512, 31961890, 51139024, 63923780, 127847560, 255695120]

約数ペア:

[(1, 255695120), (2, 127847560), (4, 63923780), (5, 51139024), (8, 31961890), (10, 25569512), (16, 15980945), (20, 12784756), (40, 6392378), (80, 3196189)]