1258840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2861}}^1$

素因数の和:2883

約数の個数: 32

約数和(自身を含む): 3090960

約数和(自身を除く): 1832120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2861, 5722, 11444, 14305, 22888, 28610, 31471, 57220, 62942, 114440, 125884, 157355, 251768, 314710, 629420, 1258840]

約数ペア:

[(1, 1258840), (2, 629420), (4, 314710), (5, 251768), (8, 157355), (10, 125884), (11, 114440), (20, 62942), (22, 57220), (40, 31471), (44, 28610), (55, 22888), (88, 14305), (110, 11444), (220, 5722), (440, 2861)]