8490477560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2039}}^1\times {\mathrm{5479}}^1$

素因数の和:7548

約数の個数: 64

約数和(自身を含む): 20122560000

約数和(自身を除く): 11632082440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 2039, 4078, 5479, 8156, 10195, 10958, 16312, 20390, 21916, 27395, 38741, 40780, 43832, 54790, 77482, 81560, 104101, 109580, 154964, 193705, 208202, 219160, 309928, 387410, 416404, 520505, 774820, 832808, 1041010, 1549640, 2082020, 4164040, 11171681, 22343362, 44686724, 55858405, 89373448, 111716810, 212261939, 223433620, 424523878, 446867240, 849047756, 1061309695, 1698095512, 2122619390, 4245238780, 8490477560]

約数ペア:

[(1, 8490477560), (2, 4245238780), (4, 2122619390), (5, 1698095512), (8, 1061309695), (10, 849047756), (19, 446867240), (20, 424523878), (38, 223433620), (40, 212261939), (76, 111716810), (95, 89373448), (152, 55858405), (190, 44686724), (380, 22343362), (760, 11171681), (2039, 4164040), (4078, 2082020), (5479, 1549640), (8156, 1041010), (10195, 832808), (10958, 774820), (16312, 520505), (20390, 416404), (21916, 387410), (27395, 309928), (38741, 219160), (40780, 208202), (43832, 193705), (54790, 154964), (77482, 109580), (81560, 104101)]