13650680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 32192640

約数和(自身を除く): 18541960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 53, 94, 106, 137, 188, 212, 235, 265, 274, 376, 424, 470, 530, 548, 685, 940, 1060, 1096, 1370, 1880, 2120, 2491, 2740, 4982, 5480, 6439, 7261, 9964, 12455, 12878, 14522, 19928, 24910, 25756, 29044, 32195, 36305, 49820, 51512, 58088, 64390, 72610, 99640, 128780, 145220, 257560, 290440, 341267, 682534, 1365068, 1706335, 2730136, 3412670, 6825340, 13650680]

約数ペア:

[(1, 13650680), (2, 6825340), (4, 3412670), (5, 2730136), (8, 1706335), (10, 1365068), (20, 682534), (40, 341267), (47, 290440), (53, 257560), (94, 145220), (106, 128780), (137, 99640), (188, 72610), (212, 64390), (235, 58088), (265, 51512), (274, 49820), (376, 36305), (424, 32195), (470, 29044), (530, 25756), (548, 24910), (685, 19928), (940, 14522), (1060, 12878), (1096, 12455), (1370, 9964), (1880, 7261), (2120, 6439), (2491, 5480), (2740, 4982)]