675348980

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{82561}}^1$

素因数の和:82979

約数の個数: 24

約数和(自身を含む): 1421717640

約数和(自身を除く): 746368660

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 82561, 165122, 330244, 412805, 825610, 1651220, 33767449, 67534898, 135069796, 168837245, 337674490, 675348980]

約数ペア:

[(1, 675348980), (2, 337674490), (4, 168837245), (5, 135069796), (10, 67534898), (20, 33767449), (409, 1651220), (818, 825610), (1636, 412805), (2045, 330244), (4090, 165122), (8180, 82561)]