28005340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127297}}^1$

素因数の和:127317

約数の個数: 24

約数和(自身を含む): 64158192

約数和(自身を除く): 36152852

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 127297, 254594, 509188, 636485, 1272970, 1400267, 2545940, 2800534, 5601068, 7001335, 14002670, 28005340]

約数ペア:

[(1, 28005340), (2, 14002670), (4, 7001335), (5, 5601068), (10, 2800534), (11, 2545940), (20, 1400267), (22, 1272970), (44, 636485), (55, 509188), (110, 254594), (220, 127297)]