55134520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{883}}^1$

素因数の和:1124

約数の個数: 64

約数和(自身を含む): 142571520

約数和(自身を除く): 87437000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 223, 280, 446, 883, 892, 1115, 1561, 1766, 1784, 2230, 3122, 3532, 4415, 4460, 6181, 6244, 7064, 7805, 8830, 8920, 12362, 12488, 15610, 17660, 24724, 30905, 31220, 35320, 49448, 61810, 62440, 123620, 196909, 247240, 393818, 787636, 984545, 1378363, 1575272, 1969090, 2756726, 3938180, 5513452, 6891815, 7876360, 11026904, 13783630, 27567260, 55134520]

約数ペア:

[(1, 55134520), (2, 27567260), (4, 13783630), (5, 11026904), (7, 7876360), (8, 6891815), (10, 5513452), (14, 3938180), (20, 2756726), (28, 1969090), (35, 1575272), (40, 1378363), (56, 984545), (70, 787636), (140, 393818), (223, 247240), (280, 196909), (446, 123620), (883, 62440), (892, 61810), (1115, 49448), (1561, 35320), (1766, 31220), (1784, 30905), (2230, 24724), (3122, 17660), (3532, 15610), (4415, 12488), (4460, 12362), (6181, 8920), (6244, 8830), (7064, 7805)]