13338920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47639}}^1$

素因数の和:47657

約数の個数: 32

約数和(自身を含む): 34300800

約数和(自身を除く): 20961880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 47639, 95278, 190556, 238195, 333473, 381112, 476390, 666946, 952780, 1333892, 1667365, 1905560, 2667784, 3334730, 6669460, 13338920]

約数ペア:

[(1, 13338920), (2, 6669460), (4, 3334730), (5, 2667784), (7, 1905560), (8, 1667365), (10, 1333892), (14, 952780), (20, 666946), (28, 476390), (35, 381112), (40, 333473), (56, 238195), (70, 190556), (140, 95278), (280, 47639)]