81704200

素因数分解:

$2^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{2939}}^1$

素因数の和:3094

約数の個数: 48

約数和(自身を含む): 191394000

約数和(自身を除く): 109689800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 139, 200, 278, 556, 695, 1112, 1390, 2780, 2939, 3475, 5560, 5878, 6950, 11756, 13900, 14695, 23512, 27800, 29390, 58780, 73475, 117560, 146950, 293900, 408521, 587800, 817042, 1634084, 2042605, 3268168, 4085210, 8170420, 10213025, 16340840, 20426050, 40852100, 81704200]

約数ペア:

[(1, 81704200), (2, 40852100), (4, 20426050), (5, 16340840), (8, 10213025), (10, 8170420), (20, 4085210), (25, 3268168), (40, 2042605), (50, 1634084), (100, 817042), (139, 587800), (200, 408521), (278, 293900), (556, 146950), (695, 117560), (1112, 73475), (1390, 58780), (2780, 29390), (2939, 27800), (3475, 23512), (5560, 14695), (5878, 13900), (6950, 11756)]