31362160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:518

約数の個数: 80

約数和(自身を含む): 78566400

約数和(自身を除く): 47204240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 152, 188, 190, 235, 304, 376, 380, 439, 470, 752, 760, 878, 893, 940, 1520, 1756, 1786, 1880, 2195, 3512, 3572, 3760, 4390, 4465, 7024, 7144, 8341, 8780, 8930, 14288, 16682, 17560, 17860, 20633, 33364, 35120, 35720, 41266, 41705, 66728, 71440, 82532, 83410, 103165, 133456, 165064, 166820, 206330, 330128, 333640, 392027, 412660, 667280, 784054, 825320, 1568108, 1650640, 1960135, 3136216, 3920270, 6272432, 7840540, 15681080, 31362160]

約数ペア:

[(1, 31362160), (2, 15681080), (4, 7840540), (5, 6272432), (8, 3920270), (10, 3136216), (16, 1960135), (19, 1650640), (20, 1568108), (38, 825320), (40, 784054), (47, 667280), (76, 412660), (80, 392027), (94, 333640), (95, 330128), (152, 206330), (188, 166820), (190, 165064), (235, 133456), (304, 103165), (376, 83410), (380, 82532), (439, 71440), (470, 66728), (752, 41705), (760, 41266), (878, 35720), (893, 35120), (940, 33364), (1520, 20633), (1756, 17860), (1786, 17560), (1880, 16682), (2195, 14288), (3512, 8930), (3572, 8780), (3760, 8341), (4390, 7144), (4465, 7024)]