1276134320

素因数分解:

$2^4\times 5^1\times {\mathrm{15951679}}^1$

素因数の和:15951692

約数の個数: 20

約数和(自身を含む): 2967012480

約数和(自身を除く): 1690878160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15951679, 31903358, 63806716, 79758395, 127613432, 159516790, 255226864, 319033580, 638067160, 1276134320]

約数ペア:

[(1, 1276134320), (2, 638067160), (4, 319033580), (5, 255226864), (8, 159516790), (10, 127613432), (16, 79758395), (20, 63806716), (40, 31903358), (80, 15951679)]