8213480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1697}}^1$

素因数の和:1730

約数の個数: 48

約数和(自身を含む): 20325060

約数和(自身を除く): 12111580

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 1697, 2420, 3394, 4840, 6788, 8485, 13576, 16970, 18667, 33940, 37334, 67880, 74668, 93335, 149336, 186670, 205337, 373340, 410674, 746680, 821348, 1026685, 1642696, 2053370, 4106740, 8213480]

約数ペア:

[(1, 8213480), (2, 4106740), (4, 2053370), (5, 1642696), (8, 1026685), (10, 821348), (11, 746680), (20, 410674), (22, 373340), (40, 205337), (44, 186670), (55, 149336), (88, 93335), (110, 74668), (121, 67880), (220, 37334), (242, 33940), (440, 18667), (484, 16970), (605, 13576), (968, 8485), (1210, 6788), (1697, 4840), (2420, 3394)]