65361920

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:531

約数の個数: 96

約数和(自身を含む): 169238160

約数和(自身を除く): 103876240

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, 1024, 1040, 1280, 1664, 1964, 2048, 2080, 2455, 2560, 3328, 3928, 4160, 4910, 5120, 6383, 6656, 7856, 8320, 9820, 10240, 12766, 13312, 15712, 16640, 19640, 25532, 26624, 31424, 31915, 33280, 39280, 51064, 62848, 63830, 66560, 78560, 102128, 125696, 127660, 133120, 157120, 204256, 251392, 255320, 314240, 408512, 502784, 510640, 628480, 817024, 1005568, 1021280, 1256960, 1634048, 2042560, 2513920, 3268096, 4085120, 5027840, 6536192, 8170240, 13072384, 16340480, 32680960, 65361920]

約数ペア:

[(1, 65361920), (2, 32680960), (4, 16340480), (5, 13072384), (8, 8170240), (10, 6536192), (13, 5027840), (16, 4085120), (20, 3268096), (26, 2513920), (32, 2042560), (40, 1634048), (52, 1256960), (64, 1021280), (65, 1005568), (80, 817024), (104, 628480), (128, 510640), (130, 502784), (160, 408512), (208, 314240), (256, 255320), (260, 251392), (320, 204256), (416, 157120), (491, 133120), (512, 127660), (520, 125696), (640, 102128), (832, 78560), (982, 66560), (1024, 63830), (1040, 62848), (1280, 51064), (1664, 39280), (1964, 33280), (2048, 31915), (2080, 31424), (2455, 26624), (2560, 25532), (3328, 19640), (3928, 16640), (4160, 15712), (4910, 13312), (5120, 12766), (6383, 10240), (6656, 9820), (7856, 8320)]