205016720

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{48353}}^1$

素因数の和:48419

約数の個数: 40

約数和(自身を含む): 485667576

約数和(自身を除く): 280650856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 48353, 96706, 193412, 241765, 386824, 483530, 773648, 967060, 1934120, 2562709, 3868240, 5125418, 10250836, 12813545, 20501672, 25627090, 41003344, 51254180, 102508360, 205016720]

約数ペア:

[(1, 205016720), (2, 102508360), (4, 51254180), (5, 41003344), (8, 25627090), (10, 20501672), (16, 12813545), (20, 10250836), (40, 5125418), (53, 3868240), (80, 2562709), (106, 1934120), (212, 967060), (265, 773648), (424, 483530), (530, 386824), (848, 241765), (1060, 193412), (2120, 96706), (4240, 48353)]