2168647580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9857489}}^1$

素因数の和:9857509

約数の個数: 24

約数和(自身を含む): 4968174960

約数和(自身を除く): 2799527380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9857489, 19714978, 39429956, 49287445, 98574890, 108432379, 197149780, 216864758, 433729516, 542161895, 1084323790, 2168647580]

約数ペア:

[(1, 2168647580), (2, 1084323790), (4, 542161895), (5, 433729516), (10, 216864758), (11, 197149780), (20, 108432379), (22, 98574890), (44, 49287445), (55, 39429956), (110, 19714978), (220, 9857489)]