40308140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 87357312

約数和(自身を除く): 47049172

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 137, 188, 235, 274, 313, 470, 548, 626, 685, 940, 1252, 1370, 1565, 2740, 3130, 6260, 6439, 12878, 14711, 25756, 29422, 32195, 42881, 58844, 64390, 73555, 85762, 128780, 147110, 171524, 214405, 294220, 428810, 857620, 2015407, 4030814, 8061628, 10077035, 20154070, 40308140]

約数ペア:

[(1, 40308140), (2, 20154070), (4, 10077035), (5, 8061628), (10, 4030814), (20, 2015407), (47, 857620), (94, 428810), (137, 294220), (188, 214405), (235, 171524), (274, 147110), (313, 128780), (470, 85762), (548, 73555), (626, 64390), (685, 58844), (940, 42881), (1252, 32195), (1370, 29422), (1565, 25756), (2740, 14711), (3130, 12878), (6260, 6439)]