16340480

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:527

約数の個数: 80

約数和(自身を含む): 42278544

約数和(自身を除く): 25938064

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 491, 512, 520, 640, 832, 982, 1040, 1280, 1664, 1964, 2080, 2455, 2560, 3328, 3928, 4160, 4910, 6383, 6656, 7856, 8320, 9820, 12766, 15712, 16640, 19640, 25532, 31424, 31915, 33280, 39280, 51064, 62848, 63830, 78560, 102128, 125696, 127660, 157120, 204256, 251392, 255320, 314240, 408512, 510640, 628480, 817024, 1021280, 1256960, 1634048, 2042560, 3268096, 4085120, 8170240, 16340480]

約数ペア:

[(1, 16340480), (2, 8170240), (4, 4085120), (5, 3268096), (8, 2042560), (10, 1634048), (13, 1256960), (16, 1021280), (20, 817024), (26, 628480), (32, 510640), (40, 408512), (52, 314240), (64, 255320), (65, 251392), (80, 204256), (104, 157120), (128, 127660), (130, 125696), (160, 102128), (208, 78560), (256, 63830), (260, 62848), (320, 51064), (416, 39280), (491, 33280), (512, 31915), (520, 31424), (640, 25532), (832, 19640), (982, 16640), (1040, 15712), (1280, 12766), (1664, 9820), (1964, 8320), (2080, 7856), (2455, 6656), (2560, 6383), (3328, 4910), (3928, 4160)]