51611980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19403}}^1$

素因数の和:19438

約数の個数: 48

約数和(自身を含む): 130394880

約数和(自身を除く): 78782900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 19403, 38806, 77612, 97015, 135821, 194030, 271642, 368657, 388060, 543284, 679105, 737314, 1358210, 1474628, 1843285, 2580599, 2716420, 3686570, 5161198, 7373140, 10322396, 12902995, 25805990, 51611980]

約数ペア:

[(1, 51611980), (2, 25805990), (4, 12902995), (5, 10322396), (7, 7373140), (10, 5161198), (14, 3686570), (19, 2716420), (20, 2580599), (28, 1843285), (35, 1474628), (38, 1358210), (70, 737314), (76, 679105), (95, 543284), (133, 388060), (140, 368657), (190, 271642), (266, 194030), (380, 135821), (532, 97015), (665, 77612), (1330, 38806), (2660, 19403)]