80594140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{9901}}^1$

素因数の和:9958

約数の個数: 48

約数和(自身を含む): 189643104

約数和(自身を除く): 109048964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 4070, 8140, 9901, 19802, 39604, 49505, 99010, 108911, 198020, 217822, 366337, 435644, 544555, 732674, 1089110, 1465348, 1831685, 2178220, 3663370, 4029707, 7326740, 8059414, 16118828, 20148535, 40297070, 80594140]

約数ペア:

[(1, 80594140), (2, 40297070), (4, 20148535), (5, 16118828), (10, 8059414), (11, 7326740), (20, 4029707), (22, 3663370), (37, 2178220), (44, 1831685), (55, 1465348), (74, 1089110), (110, 732674), (148, 544555), (185, 435644), (220, 366337), (370, 217822), (407, 198020), (740, 108911), (814, 99010), (1628, 49505), (2035, 39604), (4070, 19802), (8140, 9901)]