13389640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{30431}}^1$

素因数の和:30453

約数の個数: 32

約数和(自身を含む): 32866560

約数和(自身を除く): 19476920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 30431, 60862, 121724, 152155, 243448, 304310, 334741, 608620, 669482, 1217240, 1338964, 1673705, 2677928, 3347410, 6694820, 13389640]

約数ペア:

[(1, 13389640), (2, 6694820), (4, 3347410), (5, 2677928), (8, 1673705), (10, 1338964), (11, 1217240), (20, 669482), (22, 608620), (40, 334741), (44, 304310), (55, 243448), (88, 152155), (110, 121724), (220, 60862), (440, 30431)]