12522440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{6389}}^1$

素因数の和:6414

約数の個数: 48

約数和(自身を含む): 32780700

約数和(自身を除く): 20258260

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 6389, 12778, 25556, 31945, 44723, 51112, 63890, 89446, 127780, 178892, 223615, 255560, 313061, 357784, 447230, 626122, 894460, 1252244, 1565305, 1788920, 2504488, 3130610, 6261220, 12522440]

約数ペア:

[(1, 12522440), (2, 6261220), (4, 3130610), (5, 2504488), (7, 1788920), (8, 1565305), (10, 1252244), (14, 894460), (20, 626122), (28, 447230), (35, 357784), (40, 313061), (49, 255560), (56, 223615), (70, 178892), (98, 127780), (140, 89446), (196, 63890), (245, 51112), (280, 44723), (392, 31945), (490, 25556), (980, 12778), (1960, 6389)]