61994680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{140897}}^1$

素因数の和:140919

約数の個数: 32

約数和(自身を含む): 152169840

約数和(自身を除く): 90175160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 140897, 281794, 563588, 704485, 1127176, 1408970, 1549867, 2817940, 3099734, 5635880, 6199468, 7749335, 12398936, 15498670, 30997340, 61994680]

約数ペア:

[(1, 61994680), (2, 30997340), (4, 15498670), (5, 12398936), (8, 7749335), (10, 6199468), (11, 5635880), (20, 3099734), (22, 2817940), (40, 1549867), (44, 1408970), (55, 1127176), (88, 704485), (110, 563588), (220, 281794), (440, 140897)]