2389640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5431}}^1$

素因数の和:5453

約数の個数: 32

約数和(自身を含む): 5866560

約数和(自身を除く): 3476920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 5431, 10862, 21724, 27155, 43448, 54310, 59741, 108620, 119482, 217240, 238964, 298705, 477928, 597410, 1194820, 2389640]

約数ペア:

[(1, 2389640), (2, 1194820), (4, 597410), (5, 477928), (8, 298705), (10, 238964), (11, 217240), (20, 119482), (22, 108620), (40, 59741), (44, 54310), (55, 43448), (88, 27155), (110, 21724), (220, 10862), (440, 5431)]