8808020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1783}}^1$

素因数の和:1824

約数の個数: 48

約数和(自身を含む): 20979840

約数和(自身を除く): 12171820

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 1783, 2470, 3566, 4940, 7132, 8915, 17830, 23179, 33877, 35660, 46358, 67754, 92716, 115895, 135508, 169385, 231790, 338770, 440401, 463580, 677540, 880802, 1761604, 2202005, 4404010, 8808020]

約数ペア:

[(1, 8808020), (2, 4404010), (4, 2202005), (5, 1761604), (10, 880802), (13, 677540), (19, 463580), (20, 440401), (26, 338770), (38, 231790), (52, 169385), (65, 135508), (76, 115895), (95, 92716), (130, 67754), (190, 46358), (247, 35660), (260, 33877), (380, 23179), (494, 17830), (988, 8915), (1235, 7132), (1783, 4940), (2470, 3566)]