12641860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8209}}^1$

素因数の和:8236

約数の個数: 48

約数和(自身を含む): 33102720

約数和(自身を除く): 20460860

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 8209, 16418, 32836, 41045, 57463, 82090, 90299, 114926, 164180, 180598, 229852, 287315, 361196, 451495, 574630, 632093, 902990, 1149260, 1264186, 1805980, 2528372, 3160465, 6320930, 12641860]

約数ペア:

[(1, 12641860), (2, 6320930), (4, 3160465), (5, 2528372), (7, 1805980), (10, 1264186), (11, 1149260), (14, 902990), (20, 632093), (22, 574630), (28, 451495), (35, 361196), (44, 287315), (55, 229852), (70, 180598), (77, 164180), (110, 114926), (140, 90299), (154, 82090), (220, 57463), (308, 41045), (385, 32836), (770, 16418), (1540, 8209)]