780885520

素因数分解:

$2^4\times 5^1\times {\mathrm{233}}^1\times {\mathrm{41893}}^1$

素因数の和:42139

約数の個数: 40

約数和(自身を含む): 1823394456

約数和(自身を除く): 1042508936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 233, 466, 932, 1165, 1864, 2330, 3728, 4660, 9320, 18640, 41893, 83786, 167572, 209465, 335144, 418930, 670288, 837860, 1675720, 3351440, 9761069, 19522138, 39044276, 48805345, 78088552, 97610690, 156177104, 195221380, 390442760, 780885520]

約数ペア:

[(1, 780885520), (2, 390442760), (4, 195221380), (5, 156177104), (8, 97610690), (10, 78088552), (16, 48805345), (20, 39044276), (40, 19522138), (80, 9761069), (233, 3351440), (466, 1675720), (932, 837860), (1165, 670288), (1864, 418930), (2330, 335144), (3728, 209465), (4660, 167572), (9320, 83786), (18640, 41893)]