254305840

素因数分解:

$2^4\times 5^1\times {\mathrm{3178823}}^1$

素因数の和:3178836

約数の個数: 20

約数和(自身を含む): 591261264

約数和(自身を除く): 336955424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3178823, 6357646, 12715292, 15894115, 25430584, 31788230, 50861168, 63576460, 127152920, 254305840]

約数ペア:

[(1, 254305840), (2, 127152920), (4, 63576460), (5, 50861168), (8, 31788230), (10, 25430584), (16, 15894115), (20, 12715292), (40, 6357646), (80, 3178823)]