39967675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 57853440

約数和(自身を除く): 17885765

約数列:

[1, 5, 11, 23, 25, 55, 71, 89, 115, 253, 275, 355, 445, 575, 781, 979, 1265, 1633, 1775, 2047, 2225, 3905, 4895, 6319, 6325, 8165, 10235, 17963, 19525, 22517, 24475, 31595, 40825, 51175, 69509, 89815, 112585, 145337, 157975, 347545, 449075, 562925, 726685, 1598707, 1737725, 3633425, 7993535, 39967675]

約数ペア:

[(1, 39967675), (5, 7993535), (11, 3633425), (23, 1737725), (25, 1598707), (55, 726685), (71, 562925), (89, 449075), (115, 347545), (253, 157975), (275, 145337), (355, 112585), (445, 89815), (575, 69509), (781, 51175), (979, 40825), (1265, 31595), (1633, 24475), (1775, 22517), (2047, 19525), (2225, 17963), (3905, 10235), (4895, 8165), (6319, 6325)]