407355040

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{20047}}^1$

素因数の和:20189

約数の個数: 48

約数和(自身を含む): 970002432

約数和(自身を除く): 562647392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 10160, 20047, 20320, 40094, 80188, 100235, 160376, 200470, 320752, 400940, 641504, 801880, 1603760, 2545969, 3207520, 5091938, 10183876, 12729845, 20367752, 25459690, 40735504, 50919380, 81471008, 101838760, 203677520, 407355040]

約数ペア:

[(1, 407355040), (2, 203677520), (4, 101838760), (5, 81471008), (8, 50919380), (10, 40735504), (16, 25459690), (20, 20367752), (32, 12729845), (40, 10183876), (80, 5091938), (127, 3207520), (160, 2545969), (254, 1603760), (508, 801880), (635, 641504), (1016, 400940), (1270, 320752), (2032, 200470), (2540, 160376), (4064, 100235), (5080, 80188), (10160, 40094), (20047, 20320)]