12863320

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{911}}^1$

素因数の和:1275

約数の個数: 32

約数和(自身を含む): 29056320

約数和(自身を除く): 16193000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 911, 1412, 1765, 1822, 2824, 3530, 3644, 4555, 7060, 7288, 9110, 14120, 18220, 36440, 321583, 643166, 1286332, 1607915, 2572664, 3215830, 6431660, 12863320]

約数ペア:

[(1, 12863320), (2, 6431660), (4, 3215830), (5, 2572664), (8, 1607915), (10, 1286332), (20, 643166), (40, 321583), (353, 36440), (706, 18220), (911, 14120), (1412, 9110), (1765, 7288), (1822, 7060), (2824, 4555), (3530, 3644)]