16442440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{8389}}^1$

素因数の和:8414

約数の個数: 48

約数和(自身を含む): 43040700

約数和(自身を除く): 26598260

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, 8389, 16778, 33556, 41945, 58723, 67112, 83890, 117446, 167780, 234892, 293615, 335560, 411061, 469784, 587230, 822122, 1174460, 1644244, 2055305, 2348920, 3288488, 4110610, 8221220, 16442440]

約数ペア:

[(1, 16442440), (2, 8221220), (4, 4110610), (5, 3288488), (7, 2348920), (8, 2055305), (10, 1644244), (14, 1174460), (20, 822122), (28, 587230), (35, 469784), (40, 411061), (49, 335560), (56, 293615), (70, 234892), (98, 167780), (140, 117446), (196, 83890), (245, 67112), (280, 58723), (392, 41945), (490, 33556), (980, 16778), (1960, 8389)]