55389040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{98909}}^1$

素因数の和:98929

約数の個数: 40

約数和(自身を含む): 147178080

約数和(自身を除く): 91789040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 98909, 197818, 395636, 494545, 692363, 791272, 989090, 1384726, 1582544, 1978180, 2769452, 3461815, 3956360, 5538904, 6923630, 7912720, 11077808, 13847260, 27694520, 55389040]

約数ペア:

[(1, 55389040), (2, 27694520), (4, 13847260), (5, 11077808), (7, 7912720), (8, 6923630), (10, 5538904), (14, 3956360), (16, 3461815), (20, 2769452), (28, 1978180), (35, 1582544), (40, 1384726), (56, 989090), (70, 791272), (80, 692363), (112, 494545), (140, 395636), (280, 197818), (560, 98909)]