12921860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4013}}^1$

素因数の和:4052

約数の個数: 48

約数和(自身を含む): 32368896

約数和(自身を除く): 19447036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 4013, 8026, 16052, 20065, 28091, 40130, 56182, 80260, 92299, 112364, 140455, 184598, 280910, 369196, 461495, 561820, 646093, 922990, 1292186, 1845980, 2584372, 3230465, 6460930, 12921860]

約数ペア:

[(1, 12921860), (2, 6460930), (4, 3230465), (5, 2584372), (7, 1845980), (10, 1292186), (14, 922990), (20, 646093), (23, 561820), (28, 461495), (35, 369196), (46, 280910), (70, 184598), (92, 140455), (115, 112364), (140, 92299), (161, 80260), (230, 56182), (322, 40130), (460, 28091), (644, 20065), (805, 16052), (1610, 8026), (3220, 4013)]