1320458425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{21727}}^1$

素因数の和:21778

約数の個数: 48

約数和(自身を含む): 2036869632

約数和(自身を除く): 716411207

約数列:

[1, 5, 11, 13, 17, 25, 55, 65, 85, 143, 187, 221, 275, 325, 425, 715, 935, 1105, 2431, 3575, 4675, 5525, 12155, 21727, 60775, 108635, 238997, 282451, 369359, 543175, 1194985, 1412255, 1846795, 3106961, 4062949, 4801667, 5974925, 7061275, 9233975, 15534805, 20314745, 24008335, 52818337, 77674025, 101573725, 120041675, 264091685, 1320458425]

約数ペア:

[(1, 1320458425), (5, 264091685), (11, 120041675), (13, 101573725), (17, 77674025), (25, 52818337), (55, 24008335), (65, 20314745), (85, 15534805), (143, 9233975), (187, 7061275), (221, 5974925), (275, 4801667), (325, 4062949), (425, 3106961), (715, 1846795), (935, 1412255), (1105, 1194985), (2431, 543175), (3575, 369359), (4675, 282451), (5525, 238997), (12155, 108635), (21727, 60775)]