56509640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{128431}}^1$

素因数の和:128453

約数の個数: 32

約数和(自身を含む): 138706560

約数和(自身を除く): 82196920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 128431, 256862, 513724, 642155, 1027448, 1284310, 1412741, 2568620, 2825482, 5137240, 5650964, 7063705, 11301928, 14127410, 28254820, 56509640]

約数ペア:

[(1, 56509640), (2, 28254820), (4, 14127410), (5, 11301928), (8, 7063705), (10, 5650964), (11, 5137240), (20, 2825482), (22, 2568620), (40, 1412741), (44, 1284310), (55, 1027448), (88, 642155), (110, 513724), (220, 256862), (440, 128431)]