28776260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1847}}^1$

素因数の和:1916

約数の個数: 48

約数和(自身を含む): 65197440

約数和(自身を除く): 36421180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 1847, 3116, 3694, 3895, 7388, 7790, 9235, 15580, 18470, 35093, 36940, 70186, 75727, 140372, 151454, 175465, 302908, 350930, 378635, 701860, 757270, 1438813, 1514540, 2877626, 5755252, 7194065, 14388130, 28776260]

約数ペア:

[(1, 28776260), (2, 14388130), (4, 7194065), (5, 5755252), (10, 2877626), (19, 1514540), (20, 1438813), (38, 757270), (41, 701860), (76, 378635), (82, 350930), (95, 302908), (164, 175465), (190, 151454), (205, 140372), (380, 75727), (410, 70186), (779, 36940), (820, 35093), (1558, 18470), (1847, 15580), (3116, 9235), (3694, 7790), (3895, 7388)]