54246520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 129664800

約数和(自身を除く): 75418280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 137, 152, 190, 274, 380, 521, 548, 685, 760, 1042, 1096, 1370, 2084, 2603, 2605, 2740, 4168, 5206, 5210, 5480, 9899, 10412, 10420, 13015, 19798, 20824, 20840, 26030, 39596, 49495, 52060, 71377, 79192, 98990, 104120, 142754, 197980, 285508, 356885, 395960, 571016, 713770, 1356163, 1427540, 2712326, 2855080, 5424652, 6780815, 10849304, 13561630, 27123260, 54246520]

約数ペア:

[(1, 54246520), (2, 27123260), (4, 13561630), (5, 10849304), (8, 6780815), (10, 5424652), (19, 2855080), (20, 2712326), (38, 1427540), (40, 1356163), (76, 713770), (95, 571016), (137, 395960), (152, 356885), (190, 285508), (274, 197980), (380, 142754), (521, 104120), (548, 98990), (685, 79192), (760, 71377), (1042, 52060), (1096, 49495), (1370, 39596), (2084, 26030), (2603, 20840), (2605, 20824), (2740, 19798), (4168, 13015), (5206, 10420), (5210, 10412), (5480, 9899)]