164124640

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:380

約数の個数: 96

約数和(自身を含む): 402361344

約数和(自身を除く): 238236704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 127, 160, 164, 197, 205, 254, 328, 394, 410, 508, 635, 656, 788, 820, 985, 1016, 1270, 1312, 1576, 1640, 1970, 2032, 2540, 3152, 3280, 3940, 4064, 5080, 5207, 6304, 6560, 7880, 8077, 10160, 10414, 15760, 16154, 20320, 20828, 25019, 26035, 31520, 32308, 40385, 41656, 50038, 52070, 64616, 80770, 83312, 100076, 104140, 125095, 129232, 161540, 166624, 200152, 208280, 250190, 258464, 323080, 400304, 416560, 500380, 646160, 800608, 833120, 1000760, 1025779, 1292320, 2001520, 2051558, 4003040, 4103116, 5128895, 8206232, 10257790, 16412464, 20515580, 32824928, 41031160, 82062320, 164124640]

約数ペア:

[(1, 164124640), (2, 82062320), (4, 41031160), (5, 32824928), (8, 20515580), (10, 16412464), (16, 10257790), (20, 8206232), (32, 5128895), (40, 4103116), (41, 4003040), (80, 2051558), (82, 2001520), (127, 1292320), (160, 1025779), (164, 1000760), (197, 833120), (205, 800608), (254, 646160), (328, 500380), (394, 416560), (410, 400304), (508, 323080), (635, 258464), (656, 250190), (788, 208280), (820, 200152), (985, 166624), (1016, 161540), (1270, 129232), (1312, 125095), (1576, 104140), (1640, 100076), (1970, 83312), (2032, 80770), (2540, 64616), (3152, 52070), (3280, 50038), (3940, 41656), (4064, 40385), (5080, 32308), (5207, 31520), (6304, 26035), (6560, 25019), (7880, 20828), (8077, 20320), (10160, 16154), (10414, 15760)]