26631680

素因数分解:

$2^9\times 5^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:227

約数の個数: 80

約数和(自身を含む): 65111904

約数和(自身を除く): 38480224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 103, 128, 160, 202, 206, 256, 320, 404, 412, 505, 512, 515, 640, 808, 824, 1010, 1030, 1280, 1616, 1648, 2020, 2060, 2560, 3232, 3296, 4040, 4120, 6464, 6592, 8080, 8240, 10403, 12928, 13184, 16160, 16480, 20806, 25856, 26368, 32320, 32960, 41612, 51712, 52015, 52736, 64640, 65920, 83224, 104030, 129280, 131840, 166448, 208060, 258560, 263680, 332896, 416120, 665792, 832240, 1331584, 1664480, 2663168, 3328960, 5326336, 6657920, 13315840, 26631680]

約数ペア:

[(1, 26631680), (2, 13315840), (4, 6657920), (5, 5326336), (8, 3328960), (10, 2663168), (16, 1664480), (20, 1331584), (32, 832240), (40, 665792), (64, 416120), (80, 332896), (101, 263680), (103, 258560), (128, 208060), (160, 166448), (202, 131840), (206, 129280), (256, 104030), (320, 83224), (404, 65920), (412, 64640), (505, 52736), (512, 52015), (515, 51712), (640, 41612), (808, 32960), (824, 32320), (1010, 26368), (1030, 25856), (1280, 20806), (1616, 16480), (1648, 16160), (2020, 13184), (2060, 12928), (2560, 10403), (3232, 8240), (3296, 8080), (4040, 6592), (4120, 6464)]