8204680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{643}}^1$

素因数の和:694

約数の個数: 64

約数和(自身を含む): 20865600

約数和(自身を除く): 12660920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 643, 1160, 1276, 1286, 1595, 2552, 2572, 3190, 3215, 5144, 6380, 6430, 7073, 12760, 12860, 14146, 18647, 25720, 28292, 35365, 37294, 56584, 70730, 74588, 93235, 141460, 149176, 186470, 205117, 282920, 372940, 410234, 745880, 820468, 1025585, 1640936, 2051170, 4102340, 8204680]

約数ペア:

[(1, 8204680), (2, 4102340), (4, 2051170), (5, 1640936), (8, 1025585), (10, 820468), (11, 745880), (20, 410234), (22, 372940), (29, 282920), (40, 205117), (44, 186470), (55, 149176), (58, 141460), (88, 93235), (110, 74588), (116, 70730), (145, 56584), (220, 37294), (232, 35365), (290, 28292), (319, 25720), (440, 18647), (580, 14146), (638, 12860), (643, 12760), (1160, 7073), (1276, 6430), (1286, 6380), (1595, 5144), (2552, 3215), (2572, 3190)]