65025760

素因数分解:

$2^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2063}}^1$

素因数の和:2275

約数の個数: 48

約数和(自身を含む): 154478016

約数和(自身を除く): 89452256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 197, 394, 788, 985, 1576, 1970, 2063, 3152, 3940, 4126, 6304, 7880, 8252, 10315, 15760, 16504, 20630, 31520, 33008, 41260, 66016, 82520, 165040, 330080, 406411, 812822, 1625644, 2032055, 3251288, 4064110, 6502576, 8128220, 13005152, 16256440, 32512880, 65025760]

約数ペア:

[(1, 65025760), (2, 32512880), (4, 16256440), (5, 13005152), (8, 8128220), (10, 6502576), (16, 4064110), (20, 3251288), (32, 2032055), (40, 1625644), (80, 812822), (160, 406411), (197, 330080), (394, 165040), (788, 82520), (985, 66016), (1576, 41260), (1970, 33008), (2063, 31520), (3152, 20630), (3940, 16504), (4126, 15760), (6304, 10315), (7880, 8252)]