13457240

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3331}}^1$

素因数の和:3443

約数の個数: 32

約数和(自身を含む): 30587760

約数和(自身を除く): 17130520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 3331, 4040, 6662, 13324, 16655, 26648, 33310, 66620, 133240, 336431, 672862, 1345724, 1682155, 2691448, 3364310, 6728620, 13457240]

約数ペア:

[(1, 13457240), (2, 6728620), (4, 3364310), (5, 2691448), (8, 1682155), (10, 1345724), (20, 672862), (40, 336431), (101, 133240), (202, 66620), (404, 33310), (505, 26648), (808, 16655), (1010, 13324), (2020, 6662), (3331, 4040)]