127129840

素因数分解:

$2^4\times 5^1\times {\mathrm{1589123}}^1$

素因数の和:1589136

約数の個数: 20

約数和(自身を含む): 295577064

約数和(自身を除く): 168447224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1589123, 3178246, 6356492, 7945615, 12712984, 15891230, 25425968, 31782460, 63564920, 127129840]

約数ペア:

[(1, 127129840), (2, 63564920), (4, 31782460), (5, 25425968), (8, 15891230), (10, 12712984), (16, 7945615), (20, 6356492), (40, 3178246), (80, 1589123)]