2578840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5861}}^1$

素因数の和:5883

約数の個数: 32

約数和(自身を含む): 6330960

約数和(自身を除く): 3752120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 5861, 11722, 23444, 29305, 46888, 58610, 64471, 117220, 128942, 234440, 257884, 322355, 515768, 644710, 1289420, 2578840]

約数ペア:

[(1, 2578840), (2, 1289420), (4, 644710), (5, 515768), (8, 322355), (10, 257884), (11, 234440), (20, 128942), (22, 117220), (40, 64471), (44, 58610), (55, 46888), (88, 29305), (110, 23444), (220, 11722), (440, 5861)]