40722080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:478

約数の個数: 96

約数和(自身を含む): 111331584

約数和(自身を除く): 70609504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 103, 112, 140, 160, 206, 224, 280, 353, 412, 515, 560, 706, 721, 824, 1030, 1120, 1412, 1442, 1648, 1765, 2060, 2471, 2824, 2884, 3296, 3530, 3605, 4120, 4942, 5648, 5768, 7060, 7210, 8240, 9884, 11296, 11536, 12355, 14120, 14420, 16480, 19768, 23072, 24710, 28240, 28840, 36359, 39536, 49420, 56480, 57680, 72718, 79072, 98840, 115360, 145436, 181795, 197680, 254513, 290872, 363590, 395360, 509026, 581744, 727180, 1018052, 1163488, 1272565, 1454360, 2036104, 2545130, 2908720, 4072208, 5090260, 5817440, 8144416, 10180520, 20361040, 40722080]

約数ペア:

[(1, 40722080), (2, 20361040), (4, 10180520), (5, 8144416), (7, 5817440), (8, 5090260), (10, 4072208), (14, 2908720), (16, 2545130), (20, 2036104), (28, 1454360), (32, 1272565), (35, 1163488), (40, 1018052), (56, 727180), (70, 581744), (80, 509026), (103, 395360), (112, 363590), (140, 290872), (160, 254513), (206, 197680), (224, 181795), (280, 145436), (353, 115360), (412, 98840), (515, 79072), (560, 72718), (706, 57680), (721, 56480), (824, 49420), (1030, 39536), (1120, 36359), (1412, 28840), (1442, 28240), (1648, 24710), (1765, 23072), (2060, 19768), (2471, 16480), (2824, 14420), (2884, 14120), (3296, 12355), (3530, 11536), (3605, 11296), (4120, 9884), (4942, 8240), (5648, 7210), (5768, 7060)]