86800340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5557}}^1$

素因数の和:5648

約数の個数: 48

約数和(自身を含む): 201688704

約数和(自身を除く): 114888364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 5557, 7810, 11114, 15620, 22228, 27785, 55570, 61127, 111140, 122254, 244508, 305635, 394547, 611270, 789094, 1222540, 1578188, 1972735, 3945470, 4340017, 7890940, 8680034, 17360068, 21700085, 43400170, 86800340]

約数ペア:

[(1, 86800340), (2, 43400170), (4, 21700085), (5, 17360068), (10, 8680034), (11, 7890940), (20, 4340017), (22, 3945470), (44, 1972735), (55, 1578188), (71, 1222540), (110, 789094), (142, 611270), (220, 394547), (284, 305635), (355, 244508), (710, 122254), (781, 111140), (1420, 61127), (1562, 55570), (3124, 27785), (3905, 22228), (5557, 15620), (7810, 11114)]