162564400

素因数分解:

$2^4\times 5^2\times {\mathrm{197}}^1\times {\mathrm{2063}}^1$

素因数の和:2278

約数の個数: 60

約数和(自身を含む): 392733792

約数和(自身を除く): 230169392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 197, 200, 394, 400, 788, 985, 1576, 1970, 2063, 3152, 3940, 4126, 4925, 7880, 8252, 9850, 10315, 15760, 16504, 19700, 20630, 33008, 39400, 41260, 51575, 78800, 82520, 103150, 165040, 206300, 406411, 412600, 812822, 825200, 1625644, 2032055, 3251288, 4064110, 6502576, 8128220, 10160275, 16256440, 20320550, 32512880, 40641100, 81282200, 162564400]

約数ペア:

[(1, 162564400), (2, 81282200), (4, 40641100), (5, 32512880), (8, 20320550), (10, 16256440), (16, 10160275), (20, 8128220), (25, 6502576), (40, 4064110), (50, 3251288), (80, 2032055), (100, 1625644), (197, 825200), (200, 812822), (394, 412600), (400, 406411), (788, 206300), (985, 165040), (1576, 103150), (1970, 82520), (2063, 78800), (3152, 51575), (3940, 41260), (4126, 39400), (4925, 33008), (7880, 20630), (8252, 19700), (9850, 16504), (10315, 15760)]