1257520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1429}}^1$

素因数の和:1453

約数の個数: 40

約数和(自身を含む): 3191760

約数和(自身を除く): 1934240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1429, 2858, 5716, 7145, 11432, 14290, 15719, 22864, 28580, 31438, 57160, 62876, 78595, 114320, 125752, 157190, 251504, 314380, 628760, 1257520]

約数ペア:

[(1, 1257520), (2, 628760), (4, 314380), (5, 251504), (8, 157190), (10, 125752), (11, 114320), (16, 78595), (20, 62876), (22, 57160), (40, 31438), (44, 28580), (55, 22864), (80, 15719), (88, 14290), (110, 11432), (176, 7145), (220, 5716), (440, 2858), (880, 1429)]