66704200

素因数分解:

$2^3\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1693}}^1$

素因数の和:1906

約数の個数: 48

約数和(自身を含む): 155966580

約数和(自身を除く): 89262380

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 197, 200, 394, 788, 985, 1576, 1693, 1970, 3386, 3940, 4925, 6772, 7880, 8465, 9850, 13544, 16930, 19700, 33860, 39400, 42325, 67720, 84650, 169300, 333521, 338600, 667042, 1334084, 1667605, 2668168, 3335210, 6670420, 8338025, 13340840, 16676050, 33352100, 66704200]

約数ペア:

[(1, 66704200), (2, 33352100), (4, 16676050), (5, 13340840), (8, 8338025), (10, 6670420), (20, 3335210), (25, 2668168), (40, 1667605), (50, 1334084), (100, 667042), (197, 338600), (200, 333521), (394, 169300), (788, 84650), (985, 67720), (1576, 42325), (1693, 39400), (1970, 33860), (3386, 19700), (3940, 16930), (4925, 13544), (6772, 9850), (7880, 8465)]