13315840

素因数分解:

$2^8\times 5^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 32524128

約数和(自身を除く): 19208288

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, 515, 640, 808, 824, 1010, 1030, 1280, 1616, 1648, 2020, 2060, 3232, 3296, 4040, 4120, 6464, 6592, 8080, 8240, 10403, 12928, 13184, 16160, 16480, 20806, 25856, 26368, 32320, 32960, 41612, 52015, 64640, 65920, 83224, 104030, 129280, 131840, 166448, 208060, 332896, 416120, 665792, 832240, 1331584, 1664480, 2663168, 3328960, 6657920, 13315840]

約数ペア:

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